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Finding the Fourth Proportional to 149,317.20, 224,062.20 and 55,832.40

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Solution

The fourth proportional to 149,317.20, 224,062.20 and 55,832.40 is: 83,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,317.20 : 224,062.20 = 55,832.40 : x
  2. Step 2: Convert to fraction form
    149,317.20/224,062.20 = 55,832.40/x
  3. Step 3: Cross multiply
    149,317.20x = 224,062.20 × 55,832.40
  4. Step 4: Simplify right side
    149,317.20x = 12,509,930,375.28
  5. Step 5: Solve for x
    x = 12,509,930,375.28/149,317.20
  6. Step 6: Final answer
    x = 83,780.91

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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.