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Finding the Fourth Proportional to 86,843.84, 130,251.84 and 24,518.72

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Solution

The fourth proportional to 86,843.84, 130,251.84 and 24,518.72 is: 36,774.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,843.84 : 130,251.84 = 24,518.72 : x
  2. Step 2: Convert to fraction form
    86,843.84/130,251.84 = 24,518.72/x
  3. Step 3: Cross multiply
    86,843.84x = 130,251.84 × 24,518.72
  4. Step 4: Simplify right side
    86,843.84x = 3,193,608,394.44
  5. Step 5: Solve for x
    x = 3,193,608,394.44/86,843.84
  6. Step 6: Final answer
    x = 36,774.15

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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.