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Finding the Fourth Proportional to 108,488.41, 149,726.80 and 60,732.53

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Solution

The fourth proportional to 108,488.41, 149,726.80 and 60,732.53 is: 83,818.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,488.41 : 149,726.80 = 60,732.53 : x
  2. Step 2: Convert to fraction form
    108,488.41/149,726.80 = 60,732.53/x
  3. Step 3: Cross multiply
    108,488.41x = 149,726.80 × 60,732.53
  4. Step 4: Simplify right side
    108,488.41x = 9,093,288,274.58
  5. Step 5: Solve for x
    x = 9,093,288,274.58/108,488.41
  6. Step 6: Final answer
    x = 83,818.06

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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.