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Finding the Fourth Proportional to 132,071.94, 198,132.57 and 43,350.84

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Solution

The fourth proportional to 132,071.94, 198,132.57 and 43,350.84 is: 65,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,071.94 : 198,132.57 = 43,350.84 : x
  2. Step 2: Convert to fraction form
    132,071.94/198,132.57 = 43,350.84/x
  3. Step 3: Cross multiply
    132,071.94x = 198,132.57 × 43,350.84
  4. Step 4: Simplify right side
    132,071.94x = 8,589,213,340.86
  5. Step 5: Solve for x
    x = 8,589,213,340.86/132,071.94
  6. Step 6: Final answer
    x = 65,034.35

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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.