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Finding the Fourth Proportional to 181,486.76, 250,452.42 and 124,799.72

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Solution

The fourth proportional to 181,486.76, 250,452.42 and 124,799.72 is: 172,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,486.76 : 250,452.42 = 124,799.72 : x
  2. Step 2: Convert to fraction form
    181,486.76/250,452.42 = 124,799.72/x
  3. Step 3: Cross multiply
    181,486.76x = 250,452.42 × 124,799.72
  4. Step 4: Simplify right side
    181,486.76x = 31,256,391,889.32
  5. Step 5: Solve for x
    x = 31,256,391,889.32/181,486.76
  6. Step 6: Final answer
    x = 172,224.09

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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.