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Finding the Fourth Proportional to 99,273.90, 148,932.45 and 32,702.70

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Solution

The fourth proportional to 99,273.90, 148,932.45 and 32,702.70 is: 49,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,273.90 : 148,932.45 = 32,702.70 : x
  2. Step 2: Convert to fraction form
    99,273.90/148,932.45 = 32,702.70/x
  3. Step 3: Cross multiply
    99,273.90x = 148,932.45 × 32,702.70
  4. Step 4: Simplify right side
    99,273.90x = 4,870,493,232.62
  5. Step 5: Solve for x
    x = 4,870,493,232.62/99,273.90
  6. Step 6: Final answer
    x = 49,061.17

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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.