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Finding the Fourth Proportional to 149,887.56, 224,720.17 and 90,709.17

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Solution

The fourth proportional to 149,887.56, 224,720.17 and 90,709.17 is: 135,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,887.56 : 224,720.17 = 90,709.17 : x
  2. Step 2: Convert to fraction form
    149,887.56/224,720.17 = 90,709.17/x
  3. Step 3: Cross multiply
    149,887.56x = 224,720.17 × 90,709.17
  4. Step 4: Simplify right side
    149,887.56x = 20,384,179,543.72
  5. Step 5: Solve for x
    x = 20,384,179,543.72/149,887.56
  6. Step 6: Final answer
    x = 135,996.47

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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.