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Finding the Fourth Proportional to 234,987.56, 352,463.91 and 75,057.04

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Solution

The fourth proportional to 234,987.56, 352,463.91 and 75,057.04 is: 112,579.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,987.56 : 352,463.91 = 75,057.04 : x
  2. Step 2: Convert to fraction form
    234,987.56/352,463.91 = 75,057.04/x
  3. Step 3: Cross multiply
    234,987.56x = 352,463.91 × 75,057.04
  4. Step 4: Simplify right side
    234,987.56x = 26,454,896,390.13
  5. Step 5: Solve for x
    x = 26,454,896,390.13/234,987.56
  6. Step 6: Final answer
    x = 112,579.98

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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.