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Finding the Fourth Proportional to 181,240.92, 250,101.90 and 100,663.80

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Solution

The fourth proportional to 181,240.92, 250,101.90 and 100,663.80 is: 138,910.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,240.92 : 250,101.90 = 100,663.80 : x
  2. Step 2: Convert to fraction form
    181,240.92/250,101.90 = 100,663.80/x
  3. Step 3: Cross multiply
    181,240.92x = 250,101.90 × 100,663.80
  4. Step 4: Simplify right side
    181,240.92x = 25,176,207,641.22
  5. Step 5: Solve for x
    x = 25,176,207,641.22/181,240.92
  6. Step 6: Final answer
    x = 138,910.17

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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.