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Finding the Fourth Proportional to 106,351.95, 159,377.53 and 58,987.91

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Solution

The fourth proportional to 106,351.95, 159,377.53 and 58,987.91 is: 88,398.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,351.95 : 159,377.53 = 58,987.91 : x
  2. Step 2: Convert to fraction form
    106,351.95/159,377.53 = 58,987.91/x
  3. Step 3: Cross multiply
    106,351.95x = 159,377.53 × 58,987.91
  4. Step 4: Simplify right side
    106,351.95x = 9,401,346,451.30
  5. Step 5: Solve for x
    x = 9,401,346,451.30/106,351.95
  6. Step 6: Final answer
    x = 88,398.44

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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.