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Finding the Fourth Proportional to 224,250.39, 309,471.77 and 137,049.62

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Solution

The fourth proportional to 224,250.39, 309,471.77 and 137,049.62 is: 189,132.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,250.39 : 309,471.77 = 137,049.62 : x
  2. Step 2: Convert to fraction form
    224,250.39/309,471.77 = 137,049.62/x
  3. Step 3: Cross multiply
    224,250.39x = 309,471.77 × 137,049.62
  4. Step 4: Simplify right side
    224,250.39x = 42,412,986,931.87
  5. Step 5: Solve for x
    x = 42,412,986,931.87/224,250.39
  6. Step 6: Final answer
    x = 189,132.28

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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.