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Finding the Fourth Proportional to 80,693.52, 121,152.60 and 41,277.84

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Solution

The fourth proportional to 80,693.52, 121,152.60 and 41,277.84 is: 61,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,693.52 : 121,152.60 = 41,277.84 : x
  2. Step 2: Convert to fraction form
    80,693.52/121,152.60 = 41,277.84/x
  3. Step 3: Cross multiply
    80,693.52x = 121,152.60 × 41,277.84
  4. Step 4: Simplify right side
    80,693.52x = 5,000,917,638.38
  5. Step 5: Solve for x
    x = 5,000,917,638.38/80,693.52
  6. Step 6: Final answer
    x = 61,974.22

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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.