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Finding the Fourth Proportional to 104,715.64, 157,104.42 and 60,374.20

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Solution

The fourth proportional to 104,715.64, 157,104.42 and 60,374.20 is: 90,579.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,715.64 : 157,104.42 = 60,374.20 : x
  2. Step 2: Convert to fraction form
    104,715.64/157,104.42 = 60,374.20/x
  3. Step 3: Cross multiply
    104,715.64x = 157,104.42 × 60,374.20
  4. Step 4: Simplify right side
    104,715.64x = 9,485,053,673.96
  5. Step 5: Solve for x
    x = 9,485,053,673.96/104,715.64
  6. Step 6: Final answer
    x = 90,579.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.