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Finding the Fourth Proportional to 176,610.66, 243,715.30 and 100,134.90

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Solution

The fourth proportional to 176,610.66, 243,715.30 and 100,134.90 is: 138,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,610.66 : 243,715.30 = 100,134.90 : x
  2. Step 2: Convert to fraction form
    176,610.66/243,715.30 = 100,134.90/x
  3. Step 3: Cross multiply
    176,610.66x = 243,715.30 × 100,134.90
  4. Step 4: Simplify right side
    176,610.66x = 24,404,407,193.97
  5. Step 5: Solve for x
    x = 24,404,407,193.97/176,610.66
  6. Step 6: Final answer
    x = 138,181.96

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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.