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Finding the Fourth Proportional to 230,591.72, 345,992.66 and 118,350.74

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Solution

The fourth proportional to 230,591.72, 345,992.66 and 118,350.74 is: 177,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,591.72 : 345,992.66 = 118,350.74 : x
  2. Step 2: Convert to fraction form
    230,591.72/345,992.66 = 118,350.74/x
  3. Step 3: Cross multiply
    230,591.72x = 345,992.66 × 118,350.74
  4. Step 4: Simplify right side
    230,591.72x = 40,948,485,023.85
  5. Step 5: Solve for x
    x = 40,948,485,023.85/230,591.72
  6. Step 6: Final answer
    x = 177,580.04

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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.