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Finding the Fourth Proportional to 162,861.74, 224,747.85 and 91,242.44

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Solution

The fourth proportional to 162,861.74, 224,747.85 and 91,242.44 is: 125,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,861.74 : 224,747.85 = 91,242.44 : x
  2. Step 2: Convert to fraction form
    162,861.74/224,747.85 = 91,242.44/x
  3. Step 3: Cross multiply
    162,861.74x = 224,747.85 × 91,242.44
  4. Step 4: Simplify right side
    162,861.74x = 20,506,542,218.75
  5. Step 5: Solve for x
    x = 20,506,542,218.75/162,861.74
  6. Step 6: Final answer
    x = 125,913.81

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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.