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Finding the Fourth Proportional to 86,692.75, 130,039.13 and 24,363.25

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Solution

The fourth proportional to 86,692.75, 130,039.13 and 24,363.25 is: 36,544.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,692.75 : 130,039.13 = 24,363.25 : x
  2. Step 2: Convert to fraction form
    86,692.75/130,039.13 = 24,363.25/x
  3. Step 3: Cross multiply
    86,692.75x = 130,039.13 × 24,363.25
  4. Step 4: Simplify right side
    86,692.75x = 3,168,175,833.97
  5. Step 5: Solve for x
    x = 3,168,175,833.97/86,692.75
  6. Step 6: Final answer
    x = 36,544.88

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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.