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Finding the Fourth Proportional to 238,624.48, 357,458.88 and 143,801.92

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Solution

The fourth proportional to 238,624.48, 357,458.88 and 143,801.92 is: 215,414.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,624.48 : 357,458.88 = 143,801.92 : x
  2. Step 2: Convert to fraction form
    238,624.48/357,458.88 = 143,801.92/x
  3. Step 3: Cross multiply
    238,624.48x = 357,458.88 × 143,801.92
  4. Step 4: Simplify right side
    238,624.48x = 51,403,273,265.05
  5. Step 5: Solve for x
    x = 51,403,273,265.05/238,624.48
  6. Step 6: Final answer
    x = 215,414.92

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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.