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Finding the Fourth Proportional to 168,656.80, 232,651.92 and 100,654.24

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Solution

The fourth proportional to 168,656.80, 232,651.92 and 100,654.24 is: 138,846.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,656.80 : 232,651.92 = 100,654.24 : x
  2. Step 2: Convert to fraction form
    168,656.80/232,651.92 = 100,654.24/x
  3. Step 3: Cross multiply
    168,656.80x = 232,651.92 × 100,654.24
  4. Step 4: Simplify right side
    168,656.80x = 23,417,402,192.14
  5. Step 5: Solve for x
    x = 23,417,402,192.14/168,656.80
  6. Step 6: Final answer
    x = 138,846.48

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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.