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Finding the Fourth Proportional to 181,454.01, 250,412.92 and 99,788.47

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Solution

The fourth proportional to 181,454.01, 250,412.92 and 99,788.47 is: 137,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,454.01 : 250,412.92 = 99,788.47 : x
  2. Step 2: Convert to fraction form
    181,454.01/250,412.92 = 99,788.47/x
  3. Step 3: Cross multiply
    181,454.01x = 250,412.92 × 99,788.47
  4. Step 4: Simplify right side
    181,454.01x = 24,988,322,155.03
  5. Step 5: Solve for x
    x = 24,988,322,155.03/181,454.01
  6. Step 6: Final answer
    x = 137,711.60

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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.