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Finding the Fourth Proportional to 149,998.70, 224,738.85 and 123,560.30

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Solution

The fourth proportional to 149,998.70, 224,738.85 and 123,560.30 is: 185,126.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,998.70 : 224,738.85 = 123,560.30 : x
  2. Step 2: Convert to fraction form
    149,998.70/224,738.85 = 123,560.30/x
  3. Step 3: Cross multiply
    149,998.70x = 224,738.85 × 123,560.30
  4. Step 4: Simplify right side
    149,998.70x = 27,768,799,727.66
  5. Step 5: Solve for x
    x = 27,768,799,727.66/149,998.70
  6. Step 6: Final answer
    x = 185,126.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.