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Finding the Fourth Proportional to 95,466, 143,163 and 76,699.92

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Solution

The fourth proportional to 95,466, 143,163 and 76,699.92 is: 115,020.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,466 : 143,163 = 76,699.92 : x
  2. Step 2: Convert to fraction form
    95,466/143,163 = 76,699.92/x
  3. Step 3: Cross multiply
    95,466x = 143,163 × 76,699.92
  4. Step 4: Simplify right side
    95,466x = 10,980,590,646.96
  5. Step 5: Solve for x
    x = 10,980,590,646.96/95,466
  6. Step 6: Final answer
    x = 115,020.96

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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.