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Finding the Fourth Proportional to 110,113.78, 151,959.01 and 62,377.04

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Solution

The fourth proportional to 110,113.78, 151,959.01 and 62,377.04 is: 86,081.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,113.78 : 151,959.01 = 62,377.04 : x
  2. Step 2: Convert to fraction form
    110,113.78/151,959.01 = 62,377.04/x
  3. Step 3: Cross multiply
    110,113.78x = 151,959.01 × 62,377.04
  4. Step 4: Simplify right side
    110,113.78x = 9,478,753,245.13
  5. Step 5: Solve for x
    x = 9,478,753,245.13/110,113.78
  6. Step 6: Final answer
    x = 86,081.44

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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.