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Finding the Fourth Proportional to 187,254.26, 280,923.02 and 87,359.96

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Solution

The fourth proportional to 187,254.26, 280,923.02 and 87,359.96 is: 131,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,254.26 : 280,923.02 = 87,359.96 : x
  2. Step 2: Convert to fraction form
    187,254.26/280,923.02 = 87,359.96/x
  3. Step 3: Cross multiply
    187,254.26x = 280,923.02 × 87,359.96
  4. Step 4: Simplify right side
    187,254.26x = 24,541,423,353.48
  5. Step 5: Solve for x
    x = 24,541,423,353.48/187,254.26
  6. Step 6: Final answer
    x = 131,059.36

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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.