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Finding the Fourth Proportional to 95,881.70, 143,821.20 and 43,291.10

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Solution

The fourth proportional to 95,881.70, 143,821.20 and 43,291.10 is: 64,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,881.70 : 143,821.20 = 43,291.10 : x
  2. Step 2: Convert to fraction form
    95,881.70/143,821.20 = 43,291.10/x
  3. Step 3: Cross multiply
    95,881.70x = 143,821.20 × 43,291.10
  4. Step 4: Simplify right side
    95,881.70x = 6,226,177,951.32
  5. Step 5: Solve for x
    x = 6,226,177,951.32/95,881.70
  6. Step 6: Final answer
    x = 64,936.04

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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.