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Finding the Fourth Proportional to 232,499.75, 348,752.87 and 66,287.75

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Solution

The fourth proportional to 232,499.75, 348,752.87 and 66,287.75 is: 99,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,499.75 : 348,752.87 = 66,287.75 : x
  2. Step 2: Convert to fraction form
    232,499.75/348,752.87 = 66,287.75/x
  3. Step 3: Cross multiply
    232,499.75x = 348,752.87 × 66,287.75
  4. Step 4: Simplify right side
    232,499.75x = 23,118,042,726.90
  5. Step 5: Solve for x
    x = 23,118,042,726.90/232,499.75
  6. Step 6: Final answer
    x = 99,432.55

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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.