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Finding the Fourth Proportional to 98,715.60, 148,073.40 and 39,593.70

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Solution

The fourth proportional to 98,715.60, 148,073.40 and 39,593.70 is: 59,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,715.60 : 148,073.40 = 39,593.70 : x
  2. Step 2: Convert to fraction form
    98,715.60/148,073.40 = 39,593.70/x
  3. Step 3: Cross multiply
    98,715.60x = 148,073.40 × 39,593.70
  4. Step 4: Simplify right side
    98,715.60x = 5,862,773,777.58
  5. Step 5: Solve for x
    x = 5,862,773,777.58/98,715.60
  6. Step 6: Final answer
    x = 59,390.55

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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.