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Finding the Fourth Proportional to 159,829.30, 239,853.30 and 88,751.80

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Solution

The fourth proportional to 159,829.30, 239,853.30 and 88,751.80 is: 133,188.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,829.30 : 239,853.30 = 88,751.80 : x
  2. Step 2: Convert to fraction form
    159,829.30/239,853.30 = 88,751.80/x
  3. Step 3: Cross multiply
    159,829.30x = 239,853.30 × 88,751.80
  4. Step 4: Simplify right side
    159,829.30x = 21,287,412,110.94
  5. Step 5: Solve for x
    x = 21,287,412,110.94/159,829.30
  6. Step 6: Final answer
    x = 133,188.42

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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.