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Finding the Fourth Proportional to 80,343.33, 110,869.53 and 46,349.82

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Solution

The fourth proportional to 80,343.33, 110,869.53 and 46,349.82 is: 63,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,343.33 : 110,869.53 = 46,349.82 : x
  2. Step 2: Convert to fraction form
    80,343.33/110,869.53 = 46,349.82/x
  3. Step 3: Cross multiply
    80,343.33x = 110,869.53 × 46,349.82
  4. Step 4: Simplify right side
    80,343.33x = 5,138,782,585.17
  5. Step 5: Solve for x
    x = 5,138,782,585.17/80,343.33
  6. Step 6: Final answer
    x = 63,960.29

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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.