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Finding the Fourth Proportional to 181,641.06, 250,788.24 and 113,685.48

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Solution

The fourth proportional to 181,641.06, 250,788.24 and 113,685.48 is: 156,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,641.06 : 250,788.24 = 113,685.48 : x
  2. Step 2: Convert to fraction form
    181,641.06/250,788.24 = 113,685.48/x
  3. Step 3: Cross multiply
    181,641.06x = 250,788.24 × 113,685.48
  4. Step 4: Simplify right side
    181,641.06x = 28,510,981,442.76
  5. Step 5: Solve for x
    x = 28,510,981,442.76/181,641.06
  6. Step 6: Final answer
    x = 156,963.31

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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.