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Finding the Fourth Proportional to 136,944.90, 205,401.15 and 37,098.90

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Solution

The fourth proportional to 136,944.90, 205,401.15 and 37,098.90 is: 55,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,944.90 : 205,401.15 = 37,098.90 : x
  2. Step 2: Convert to fraction form
    136,944.90/205,401.15 = 37,098.90/x
  3. Step 3: Cross multiply
    136,944.90x = 205,401.15 × 37,098.90
  4. Step 4: Simplify right side
    136,944.90x = 7,620,156,723.74
  5. Step 5: Solve for x
    x = 7,620,156,723.74/136,944.90
  6. Step 6: Final answer
    x = 55,643.96

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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.