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Finding the Fourth Proportional to 159,576.04, 239,160.51 and 84,732.04

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Solution

The fourth proportional to 159,576.04, 239,160.51 and 84,732.04 is: 126,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,576.04 : 239,160.51 = 84,732.04 : x
  2. Step 2: Convert to fraction form
    159,576.04/239,160.51 = 84,732.04/x
  3. Step 3: Cross multiply
    159,576.04x = 239,160.51 × 84,732.04
  4. Step 4: Simplify right side
    159,576.04x = 20,264,557,899.74
  5. Step 5: Solve for x
    x = 20,264,557,899.74/159,576.04
  6. Step 6: Final answer
    x = 126,989.98

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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.