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Finding the Fourth Proportional to 181,759.72, 250,665.11 and 113,782.88

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Solution

The fourth proportional to 181,759.72, 250,665.11 and 113,782.88 is: 156,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,759.72 : 250,665.11 = 113,782.88 : x
  2. Step 2: Convert to fraction form
    181,759.72/250,665.11 = 113,782.88/x
  3. Step 3: Cross multiply
    181,759.72x = 250,665.11 × 113,782.88
  4. Step 4: Simplify right side
    181,759.72x = 28,521,398,131.32
  5. Step 5: Solve for x
    x = 28,521,398,131.32/181,759.72
  6. Step 6: Final answer
    x = 156,918.15

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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.