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Finding the Fourth Proportional to 103,188.35, 154,734.21 and 36,627

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Solution

The fourth proportional to 103,188.35, 154,734.21 and 36,627 is: 54,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,188.35 : 154,734.21 = 36,627 : x
  2. Step 2: Convert to fraction form
    103,188.35/154,734.21 = 36,627/x
  3. Step 3: Cross multiply
    103,188.35x = 154,734.21 × 36,627
  4. Step 4: Simplify right side
    103,188.35x = 5,667,449,909.67
  5. Step 5: Solve for x
    x = 5,667,449,909.67/103,188.35
  6. Step 6: Final answer
    x = 54,923.35

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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.