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Finding the Fourth Proportional to 220,250.59, 303,945.80 and 124,757.29

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Solution

The fourth proportional to 220,250.59, 303,945.80 and 124,757.29 is: 172,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,250.59 : 303,945.80 = 124,757.29 : x
  2. Step 2: Convert to fraction form
    220,250.59/303,945.80 = 124,757.29/x
  3. Step 3: Cross multiply
    220,250.59x = 303,945.80 × 124,757.29
  4. Step 4: Simplify right side
    220,250.59x = 37,919,454,071.03
  5. Step 5: Solve for x
    x = 37,919,454,071.03/220,250.59
  6. Step 6: Final answer
    x = 172,165.05

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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.