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Finding the Fourth Proportional to 86,604.25, 129,914.65 and 24,274.57

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Solution

The fourth proportional to 86,604.25, 129,914.65 and 24,274.57 is: 36,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,604.25 : 129,914.65 = 24,274.57 : x
  2. Step 2: Convert to fraction form
    86,604.25/129,914.65 = 24,274.57/x
  3. Step 3: Cross multiply
    86,604.25x = 129,914.65 × 24,274.57
  4. Step 4: Simplify right side
    86,604.25x = 3,153,621,615.88
  5. Step 5: Solve for x
    x = 3,153,621,615.88/86,604.25
  6. Step 6: Final answer
    x = 36,414.17

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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.