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Finding the Fourth Proportional to 108,180.60, 149,256.60 and 62,849.76

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Solution

The fourth proportional to 108,180.60, 149,256.60 and 62,849.76 is: 86,713.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,180.60 : 149,256.60 = 62,849.76 : x
  2. Step 2: Convert to fraction form
    108,180.60/149,256.60 = 62,849.76/x
  3. Step 3: Cross multiply
    108,180.60x = 149,256.60 × 62,849.76
  4. Step 4: Simplify right side
    108,180.60x = 9,380,741,488.42
  5. Step 5: Solve for x
    x = 9,380,741,488.42/108,180.60
  6. Step 6: Final answer
    x = 86,713.71

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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.