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Finding the Fourth Proportional to 176,672.86, 243,825.75 and 131,883.10

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Solution

The fourth proportional to 176,672.86, 243,825.75 and 131,883.10 is: 182,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,672.86 : 243,825.75 = 131,883.10 : x
  2. Step 2: Convert to fraction form
    176,672.86/243,825.75 = 131,883.10/x
  3. Step 3: Cross multiply
    176,672.86x = 243,825.75 × 131,883.10
  4. Step 4: Simplify right side
    176,672.86x = 32,156,495,769.83
  5. Step 5: Solve for x
    x = 32,156,495,769.83/176,672.86
  6. Step 6: Final answer
    x = 182,011.52

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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.