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Finding the Fourth Proportional to 121,700.48, 182,472.60 and 50,672.32

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Solution

The fourth proportional to 121,700.48, 182,472.60 and 50,672.32 is: 75,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,700.48 : 182,472.60 = 50,672.32 : x
  2. Step 2: Convert to fraction form
    121,700.48/182,472.60 = 50,672.32/x
  3. Step 3: Cross multiply
    121,700.48x = 182,472.60 × 50,672.32
  4. Step 4: Simplify right side
    121,700.48x = 9,246,309,978.43
  5. Step 5: Solve for x
    x = 9,246,309,978.43/121,700.48
  6. Step 6: Final answer
    x = 75,975.95

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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.