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Finding the Fourth Proportional to 149,861.68, 224,881.17 and 55,158.37

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Solution

The fourth proportional to 149,861.68, 224,881.17 and 55,158.37 is: 82,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,861.68 : 224,881.17 = 55,158.37 : x
  2. Step 2: Convert to fraction form
    149,861.68/224,881.17 = 55,158.37/x
  3. Step 3: Cross multiply
    149,861.68x = 224,881.17 × 55,158.37
  4. Step 4: Simplify right side
    149,861.68x = 12,404,079,587.07
  5. Step 5: Solve for x
    x = 12,404,079,587.07/149,861.68
  6. Step 6: Final answer
    x = 82,770.19

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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.