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Finding the Fourth Proportional to 117,459.60, 162,063.56 and 69,723.60

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Solution

The fourth proportional to 117,459.60, 162,063.56 and 69,723.60 is: 96,200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,459.60 : 162,063.56 = 69,723.60 : x
  2. Step 2: Convert to fraction form
    117,459.60/162,063.56 = 69,723.60/x
  3. Step 3: Cross multiply
    117,459.60x = 162,063.56 × 69,723.60
  4. Step 4: Simplify right side
    117,459.60x = 11,299,654,832.02
  5. Step 5: Solve for x
    x = 11,299,654,832.02/117,459.60
  6. Step 6: Final answer
    x = 96,200.35

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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.