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Finding the Fourth Proportional to 86,604.37, 129,914.84 and 24,274.69

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Solution

The fourth proportional to 86,604.37, 129,914.84 and 24,274.69 is: 36,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,604.37 : 129,914.84 = 24,274.69 : x
  2. Step 2: Convert to fraction form
    86,604.37/129,914.84 = 24,274.69/x
  3. Step 3: Cross multiply
    86,604.37x = 129,914.84 × 24,274.69
  4. Step 4: Simplify right side
    86,604.37x = 3,153,642,467.40
  5. Step 5: Solve for x
    x = 3,153,642,467.40/86,604.37
  6. Step 6: Final answer
    x = 36,414.36

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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.