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Finding the Fourth Proportional to 95,963.10, 143,890.65 and 36,800.70

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Solution

The fourth proportional to 95,963.10, 143,890.65 and 36,800.70 is: 55,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,963.10 : 143,890.65 = 36,800.70 : x
  2. Step 2: Convert to fraction form
    95,963.10/143,890.65 = 36,800.70/x
  3. Step 3: Cross multiply
    95,963.10x = 143,890.65 × 36,800.70
  4. Step 4: Simplify right side
    95,963.10x = 5,295,276,643.46
  5. Step 5: Solve for x
    x = 5,295,276,643.46/95,963.10
  6. Step 6: Final answer
    x = 55,180.34

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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.