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Finding the Fourth Proportional to 181,805.61, 250,891.11 and 101,234.10

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Solution

The fourth proportional to 181,805.61, 250,891.11 and 101,234.10 is: 139,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,805.61 : 250,891.11 = 101,234.10 : x
  2. Step 2: Convert to fraction form
    181,805.61/250,891.11 = 101,234.10/x
  3. Step 3: Cross multiply
    181,805.61x = 250,891.11 × 101,234.10
  4. Step 4: Simplify right side
    181,805.61x = 25,398,735,718.85
  5. Step 5: Solve for x
    x = 25,398,735,718.85/181,805.61
  6. Step 6: Final answer
    x = 139,702.71

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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.