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Finding the Fourth Proportional to 168,127.52, 251,447.68 and 149,538.08

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Solution

The fourth proportional to 168,127.52, 251,447.68 and 149,538.08 is: 223,645.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,127.52 : 251,447.68 = 149,538.08 : x
  2. Step 2: Convert to fraction form
    168,127.52/251,447.68 = 149,538.08/x
  3. Step 3: Cross multiply
    168,127.52x = 251,447.68 × 149,538.08
  4. Step 4: Simplify right side
    168,127.52x = 37,601,003,287.65
  5. Step 5: Solve for x
    x = 37,601,003,287.65/168,127.52
  6. Step 6: Final answer
    x = 223,645.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.