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Finding the Fourth Proportional to 237,141.69, 355,717.17 and 87,304.85

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Solution

The fourth proportional to 237,141.69, 355,717.17 and 87,304.85 is: 130,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,141.69 : 355,717.17 = 87,304.85 : x
  2. Step 2: Convert to fraction form
    237,141.69/355,717.17 = 87,304.85/x
  3. Step 3: Cross multiply
    237,141.69x = 355,717.17 × 87,304.85
  4. Step 4: Simplify right side
    237,141.69x = 31,055,833,732.75
  5. Step 5: Solve for x
    x = 31,055,833,732.75/237,141.69
  6. Step 6: Final answer
    x = 130,958.98

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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.