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Finding the Fourth Proportional to 164,609.01, 227,159.87 and 89,157.69

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Solution

The fourth proportional to 164,609.01, 227,159.87 and 89,157.69 is: 123,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,609.01 : 227,159.87 = 89,157.69 : x
  2. Step 2: Convert to fraction form
    164,609.01/227,159.87 = 89,157.69/x
  3. Step 3: Cross multiply
    164,609.01x = 227,159.87 × 89,157.69
  4. Step 4: Simplify right side
    164,609.01x = 20,253,048,824.11
  5. Step 5: Solve for x
    x = 20,253,048,824.11/164,609.01
  6. Step 6: Final answer
    x = 123,037.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.