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Finding the Fourth Proportional to 297,184.31, 445,774.93 and 72,545.93

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Solution

The fourth proportional to 297,184.31, 445,774.93 and 72,545.93 is: 108,818.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,184.31 : 445,774.93 = 72,545.93 : x
  2. Step 2: Convert to fraction form
    297,184.31/445,774.93 = 72,545.93/x
  3. Step 3: Cross multiply
    297,184.31x = 445,774.93 × 72,545.93
  4. Step 4: Simplify right side
    297,184.31x = 32,339,156,128.95
  5. Step 5: Solve for x
    x = 32,339,156,128.95/297,184.31
  6. Step 6: Final answer
    x = 108,818.52

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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.