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Finding the Fourth Proportional to 176,352.79, 243,368.61 and 95,781.89

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Solution

The fourth proportional to 176,352.79, 243,368.61 and 95,781.89 is: 132,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,352.79 : 243,368.61 = 95,781.89 : x
  2. Step 2: Convert to fraction form
    176,352.79/243,368.61 = 95,781.89/x
  3. Step 3: Cross multiply
    176,352.79x = 243,368.61 × 95,781.89
  4. Step 4: Simplify right side
    176,352.79x = 23,310,305,432.47
  5. Step 5: Solve for x
    x = 23,310,305,432.47/176,352.79
  6. Step 6: Final answer
    x = 132,179.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.