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Finding the Fourth Proportional to 83,593.59, 115,359.17 and 47,784.39

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Solution

The fourth proportional to 83,593.59, 115,359.17 and 47,784.39 is: 65,942.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,593.59 : 115,359.17 = 47,784.39 : x
  2. Step 2: Convert to fraction form
    83,593.59/115,359.17 = 47,784.39/x
  3. Step 3: Cross multiply
    83,593.59x = 115,359.17 × 47,784.39
  4. Step 4: Simplify right side
    83,593.59x = 5,512,367,569.36
  5. Step 5: Solve for x
    x = 5,512,367,569.36/83,593.59
  6. Step 6: Final answer
    x = 65,942.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.