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Finding the Fourth Proportional to 176,861.75, 265,125.85 and 88,031.28

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Solution

The fourth proportional to 176,861.75, 265,125.85 and 88,031.28 is: 131,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,861.75 : 265,125.85 = 88,031.28 : x
  2. Step 2: Convert to fraction form
    176,861.75/265,125.85 = 88,031.28/x
  3. Step 3: Cross multiply
    176,861.75x = 265,125.85 × 88,031.28
  4. Step 4: Simplify right side
    176,861.75x = 23,339,367,936.59
  5. Step 5: Solve for x
    x = 23,339,367,936.59/176,861.75
  6. Step 6: Final answer
    x = 131,963.91

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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.