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Finding the Fourth Proportional to 176,877.36, 264,960.76 and 87,861.68

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Solution

The fourth proportional to 176,877.36, 264,960.76 and 87,861.68 is: 131,616.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,877.36 : 264,960.76 = 87,861.68 : x
  2. Step 2: Convert to fraction form
    176,877.36/264,960.76 = 87,861.68/x
  3. Step 3: Cross multiply
    176,877.36x = 264,960.76 × 87,861.68
  4. Step 4: Simplify right side
    176,877.36x = 23,279,897,507.68
  5. Step 5: Solve for x
    x = 23,279,897,507.68/176,877.36
  6. Step 6: Final answer
    x = 131,616.04

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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.