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Finding the Fourth Proportional to 108,542.47, 149,791.53 and 60,794.77

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Solution

The fourth proportional to 108,542.47, 149,791.53 and 60,794.77 is: 83,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,542.47 : 149,791.53 = 60,794.77 : x
  2. Step 2: Convert to fraction form
    108,542.47/149,791.53 = 60,794.77/x
  3. Step 3: Cross multiply
    108,542.47x = 149,791.53 × 60,794.77
  4. Step 4: Simplify right side
    108,542.47x = 9,106,541,614.30
  5. Step 5: Solve for x
    x = 9,106,541,614.30/108,542.47
  6. Step 6: Final answer
    x = 83,898.42

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1.5x scale

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.