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Finding the Fourth Proportional to 118,820.76, 178,233.42 and 43,902.24

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Solution

The fourth proportional to 118,820.76, 178,233.42 and 43,902.24 is: 65,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,820.76 : 178,233.42 = 43,902.24 : x
  2. Step 2: Convert to fraction form
    118,820.76/178,233.42 = 43,902.24/x
  3. Step 3: Cross multiply
    118,820.76x = 178,233.42 × 43,902.24
  4. Step 4: Simplify right side
    118,820.76x = 7,824,846,380.86
  5. Step 5: Solve for x
    x = 7,824,846,380.86/118,820.76
  6. Step 6: Final answer
    x = 65,854.20

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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.