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Finding the Fourth Proportional to 268,470.24, 370,489.88 and 147,619.13

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Solution

The fourth proportional to 268,470.24, 370,489.88 and 147,619.13 is: 203,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,470.24 : 370,489.88 = 147,619.13 : x
  2. Step 2: Convert to fraction form
    268,470.24/370,489.88 = 147,619.13/x
  3. Step 3: Cross multiply
    268,470.24x = 370,489.88 × 147,619.13
  4. Step 4: Simplify right side
    268,470.24x = 54,691,391,906.96
  5. Step 5: Solve for x
    x = 54,691,391,906.96/268,470.24
  6. Step 6: Final answer
    x = 203,714.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.