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Finding the Fourth Proportional to 62,874.60, 94,146.66 and 52,854.90

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Solution

The fourth proportional to 62,874.60, 94,146.66 and 52,854.90 is: 79,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,874.60 : 94,146.66 = 52,854.90 : x
  2. Step 2: Convert to fraction form
    62,874.60/94,146.66 = 52,854.90/x
  3. Step 3: Cross multiply
    62,874.60x = 94,146.66 × 52,854.90
  4. Step 4: Simplify right side
    62,874.60x = 4,976,112,299.63
  5. Step 5: Solve for x
    x = 4,976,112,299.63/62,874.60
  6. Step 6: Final answer
    x = 79,143.44

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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.