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Finding the Fourth Proportional to 66,081.30, 99,161.25 and 23,957.25

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Solution

The fourth proportional to 66,081.30, 99,161.25 and 23,957.25 is: 35,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,081.30 : 99,161.25 = 23,957.25 : x
  2. Step 2: Convert to fraction form
    66,081.30/99,161.25 = 23,957.25/x
  3. Step 3: Cross multiply
    66,081.30x = 99,161.25 × 23,957.25
  4. Step 4: Simplify right side
    66,081.30x = 2,375,630,856.56
  5. Step 5: Solve for x
    x = 2,375,630,856.56/66,081.30
  6. Step 6: Final answer
    x = 35,950.12

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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.