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Finding the Fourth Proportional to 162,999.53, 224,944.05 and 91,380.75

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Solution

The fourth proportional to 162,999.53, 224,944.05 and 91,380.75 is: 126,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,999.53 : 224,944.05 = 91,380.75 : x
  2. Step 2: Convert to fraction form
    162,999.53/224,944.05 = 91,380.75/x
  3. Step 3: Cross multiply
    162,999.53x = 224,944.05 × 91,380.75
  4. Step 4: Simplify right side
    162,999.53x = 20,555,555,997.04
  5. Step 5: Solve for x
    x = 20,555,555,997.04/162,999.53
  6. Step 6: Final answer
    x = 126,108.07

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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.