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Finding the Fourth Proportional to 181,207.47, 250,191.42 and 113,255.00

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Solution

The fourth proportional to 181,207.47, 250,191.42 and 113,255.00 is: 156,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,207.47 : 250,191.42 = 113,255.00 : x
  2. Step 2: Convert to fraction form
    181,207.47/250,191.42 = 113,255.00/x
  3. Step 3: Cross multiply
    181,207.47x = 250,191.42 × 113,255.00
  4. Step 4: Simplify right side
    181,207.47x = 28,335,428,021.14
  5. Step 5: Solve for x
    x = 28,335,428,021.14/181,207.47
  6. Step 6: Final answer
    x = 156,370.09

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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.