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Finding the Fourth Proportional to 116,049.60, 174,092.40 and 49,489.92

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Solution

The fourth proportional to 116,049.60, 174,092.40 and 49,489.92 is: 74,242.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,049.60 : 174,092.40 = 49,489.92 : x
  2. Step 2: Convert to fraction form
    116,049.60/174,092.40 = 49,489.92/x
  3. Step 3: Cross multiply
    116,049.60x = 174,092.40 × 49,489.92
  4. Step 4: Simplify right side
    116,049.60x = 8,615,818,948.61
  5. Step 5: Solve for x
    x = 8,615,818,948.61/116,049.60
  6. Step 6: Final answer
    x = 74,242.56

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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.