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Finding the Fourth Proportional to 59,166.68, 81,629.10 and 37,957.40

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Solution

The fourth proportional to 59,166.68, 81,629.10 and 37,957.40 is: 52,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,166.68 : 81,629.10 = 37,957.40 : x
  2. Step 2: Convert to fraction form
    59,166.68/81,629.10 = 37,957.40/x
  3. Step 3: Cross multiply
    59,166.68x = 81,629.10 × 37,957.40
  4. Step 4: Simplify right side
    59,166.68x = 3,098,428,400.34
  5. Step 5: Solve for x
    x = 3,098,428,400.34/59,166.68
  6. Step 6: Final answer
    x = 52,367.79

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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.