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Finding the Fourth Proportional to 80,340.59, 110,868.12 and 46,349.15

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Solution

The fourth proportional to 80,340.59, 110,868.12 and 46,349.15 is: 63,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,340.59 : 110,868.12 = 46,349.15 : x
  2. Step 2: Convert to fraction form
    80,340.59/110,868.12 = 46,349.15/x
  3. Step 3: Cross multiply
    80,340.59x = 110,868.12 × 46,349.15
  4. Step 4: Simplify right side
    80,340.59x = 5,138,642,569.76
  5. Step 5: Solve for x
    x = 5,138,642,569.76/80,340.59
  6. Step 6: Final answer
    x = 63,960.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.