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Finding the Fourth Proportional to 161,383.62, 222,706.20 and 89,762.10

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Solution

The fourth proportional to 161,383.62, 222,706.20 and 89,762.10 is: 123,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,383.62 : 222,706.20 = 89,762.10 : x
  2. Step 2: Convert to fraction form
    161,383.62/222,706.20 = 89,762.10/x
  3. Step 3: Cross multiply
    161,383.62x = 222,706.20 × 89,762.10
  4. Step 4: Simplify right side
    161,383.62x = 19,990,576,195.02
  5. Step 5: Solve for x
    x = 19,990,576,195.02/161,383.62
  6. Step 6: Final answer
    x = 123,869.92

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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.