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Finding the Fourth Proportional to 121,523.60, 182,155.80 and 46,614.80

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Solution

The fourth proportional to 121,523.60, 182,155.80 and 46,614.80 is: 69,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,523.60 : 182,155.80 = 46,614.80 : x
  2. Step 2: Convert to fraction form
    121,523.60/182,155.80 = 46,614.80/x
  3. Step 3: Cross multiply
    121,523.60x = 182,155.80 × 46,614.80
  4. Step 4: Simplify right side
    121,523.60x = 8,491,156,185.84
  5. Step 5: Solve for x
    x = 8,491,156,185.84/121,523.60
  6. Step 6: Final answer
    x = 69,872.49

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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.