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Finding the Fourth Proportional to 95,857.70, 143,785.20 and 43,267.10

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Solution

The fourth proportional to 95,857.70, 143,785.20 and 43,267.10 is: 64,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,857.70 : 143,785.20 = 43,267.10 : x
  2. Step 2: Convert to fraction form
    95,857.70/143,785.20 = 43,267.10/x
  3. Step 3: Cross multiply
    95,857.70x = 143,785.20 × 43,267.10
  4. Step 4: Simplify right side
    95,857.70x = 6,221,168,626.92
  5. Step 5: Solve for x
    x = 6,221,168,626.92/95,857.70
  6. Step 6: Final answer
    x = 64,900.04

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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.