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Finding the Fourth Proportional to 99,149.57, 148,702.48 and 29,034.35

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Solution

The fourth proportional to 99,149.57, 148,702.48 and 29,034.35 is: 43,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,149.57 : 148,702.48 = 29,034.35 : x
  2. Step 2: Convert to fraction form
    99,149.57/148,702.48 = 29,034.35/x
  3. Step 3: Cross multiply
    99,149.57x = 148,702.48 × 29,034.35
  4. Step 4: Simplify right side
    99,149.57x = 4,317,479,850.19
  5. Step 5: Solve for x
    x = 4,317,479,850.19/99,149.57
  6. Step 6: Final answer
    x = 43,545.12

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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.