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Finding the Fourth Proportional to 168,468.35, 232,402.41 and 100,437.44

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Solution

The fourth proportional to 168,468.35, 232,402.41 and 100,437.44 is: 138,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,468.35 : 232,402.41 = 100,437.44 : x
  2. Step 2: Convert to fraction form
    168,468.35/232,402.41 = 100,437.44/x
  3. Step 3: Cross multiply
    168,468.35x = 232,402.41 × 100,437.44
  4. Step 4: Simplify right side
    168,468.35x = 23,341,901,948.22
  5. Step 5: Solve for x
    x = 23,341,901,948.22/168,468.35
  6. Step 6: Final answer
    x = 138,553.64

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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.