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Finding the Fourth Proportional to 108,369.97, 149,565.63 and 60,626.55

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Solution

The fourth proportional to 108,369.97, 149,565.63 and 60,626.55 is: 83,673.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,369.97 : 149,565.63 = 60,626.55 : x
  2. Step 2: Convert to fraction form
    108,369.97/149,565.63 = 60,626.55/x
  3. Step 3: Cross multiply
    108,369.97x = 149,565.63 × 60,626.55
  4. Step 4: Simplify right side
    108,369.97x = 9,067,648,145.48
  5. Step 5: Solve for x
    x = 9,067,648,145.48/108,369.97
  6. Step 6: Final answer
    x = 83,673.07

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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.