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Finding the Fourth Proportional to 168,229.52, 232,130.10 and 100,244.80

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Solution

The fourth proportional to 168,229.52, 232,130.10 and 100,244.80 is: 138,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,229.52 : 232,130.10 = 100,244.80 : x
  2. Step 2: Convert to fraction form
    168,229.52/232,130.10 = 100,244.80/x
  3. Step 3: Cross multiply
    168,229.52x = 232,130.10 × 100,244.80
  4. Step 4: Simplify right side
    168,229.52x = 23,269,835,448.48
  5. Step 5: Solve for x
    x = 23,269,835,448.48/168,229.52
  6. Step 6: Final answer
    x = 138,321.95

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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.