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Finding the Fourth Proportional to 71,573.60, 107,340.96 and 59,802.68

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Solution

The fourth proportional to 71,573.60, 107,340.96 and 59,802.68 is: 89,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,573.60 : 107,340.96 = 59,802.68 : x
  2. Step 2: Convert to fraction form
    71,573.60/107,340.96 = 59,802.68/x
  3. Step 3: Cross multiply
    71,573.60x = 107,340.96 × 59,802.68
  4. Step 4: Simplify right side
    71,573.60x = 6,419,277,081.77
  5. Step 5: Solve for x
    x = 6,419,277,081.77/71,573.60
  6. Step 6: Final answer
    x = 89,687.78

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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.