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Finding the Fourth Proportional to 159,731.84, 239,187.98 and 155,001.90

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Solution

The fourth proportional to 159,731.84, 239,187.98 and 155,001.90 is: 232,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,731.84 : 239,187.98 = 155,001.90 : x
  2. Step 2: Convert to fraction form
    159,731.84/239,187.98 = 155,001.90/x
  3. Step 3: Cross multiply
    159,731.84x = 239,187.98 × 155,001.90
  4. Step 4: Simplify right side
    159,731.84x = 37,074,591,357.16
  5. Step 5: Solve for x
    x = 37,074,591,357.16/159,731.84
  6. Step 6: Final answer
    x = 232,105.20

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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.