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Finding the Fourth Proportional to 181,244.50, 250,110.45 and 100,677.17

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Solution

The fourth proportional to 181,244.50, 250,110.45 and 100,677.17 is: 138,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,244.50 : 250,110.45 = 100,677.17 : x
  2. Step 2: Convert to fraction form
    181,244.50/250,110.45 = 100,677.17/x
  3. Step 3: Cross multiply
    181,244.50x = 250,110.45 × 100,677.17
  4. Step 4: Simplify right side
    181,244.50x = 25,180,412,918.70
  5. Step 5: Solve for x
    x = 25,180,412,918.70/181,244.50
  6. Step 6: Final answer
    x = 138,930.63

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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.