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Finding the Fourth Proportional to 95,983.79, 143,863.58 and 72,214.98

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Solution

The fourth proportional to 95,983.79, 143,863.58 and 72,214.98 is: 108,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,983.79 : 143,863.58 = 72,214.98 : x
  2. Step 2: Convert to fraction form
    95,983.79/143,863.58 = 72,214.98/x
  3. Step 3: Cross multiply
    95,983.79x = 143,863.58 × 72,214.98
  4. Step 4: Simplify right side
    95,983.79x = 10,389,105,191.35
  5. Step 5: Solve for x
    x = 10,389,105,191.35/95,983.79
  6. Step 6: Final answer
    x = 108,238.13

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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.