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Finding the Fourth Proportional to 71,753.60, 107,630.40 and 62,998.40

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Solution

The fourth proportional to 71,753.60, 107,630.40 and 62,998.40 is: 94,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,753.60 : 107,630.40 = 62,998.40 : x
  2. Step 2: Convert to fraction form
    71,753.60/107,630.40 = 62,998.40/x
  3. Step 3: Cross multiply
    71,753.60x = 107,630.40 × 62,998.40
  4. Step 4: Simplify right side
    71,753.60x = 6,780,542,991.36
  5. Step 5: Solve for x
    x = 6,780,542,991.36/71,753.60
  6. Step 6: Final answer
    x = 94,497.60

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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.