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Finding the Fourth Proportional to 371,729.73, 557,779.82 and 147,251.95

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Solution

The fourth proportional to 371,729.73, 557,779.82 and 147,251.95 is: 220,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,729.73 : 557,779.82 = 147,251.95 : x
  2. Step 2: Convert to fraction form
    371,729.73/557,779.82 = 147,251.95/x
  3. Step 3: Cross multiply
    371,729.73x = 557,779.82 × 147,251.95
  4. Step 4: Simplify right side
    371,729.73x = 82,134,166,165.65
  5. Step 5: Solve for x
    x = 82,134,166,165.65/371,729.73
  6. Step 6: Final answer
    x = 220,951.30

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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.