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Finding the Fourth Proportional to 181,443.54, 250,397.52 and 99,767.56

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Solution

The fourth proportional to 181,443.54, 250,397.52 and 99,767.56 is: 137,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,443.54 : 250,397.52 = 99,767.56 : x
  2. Step 2: Convert to fraction form
    181,443.54/250,397.52 = 99,767.56/x
  3. Step 3: Cross multiply
    181,443.54x = 250,397.52 × 99,767.56
  4. Step 4: Simplify right side
    181,443.54x = 24,981,549,600.45
  5. Step 5: Solve for x
    x = 24,981,549,600.45/181,443.54
  6. Step 6: Final answer
    x = 137,682.22

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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.