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Finding the Fourth Proportional to 224,470.59, 309,822.60 and 129,032.73

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Solution

The fourth proportional to 224,470.59, 309,822.60 and 129,032.73 is: 178,095.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,470.59 : 309,822.60 = 129,032.73 : x
  2. Step 2: Convert to fraction form
    224,470.59/309,822.60 = 129,032.73/x
  3. Step 3: Cross multiply
    224,470.59x = 309,822.60 × 129,032.73
  4. Step 4: Simplify right side
    224,470.59x = 39,977,255,893.70
  5. Step 5: Solve for x
    x = 39,977,255,893.70/224,470.59
  6. Step 6: Final answer
    x = 178,095.74

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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.