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Finding the Fourth Proportional to 95,660.65, 143,491.11 and 45,729.01

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Solution

The fourth proportional to 95,660.65, 143,491.11 and 45,729.01 is: 68,593.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,660.65 : 143,491.11 = 45,729.01 : x
  2. Step 2: Convert to fraction form
    95,660.65/143,491.11 = 45,729.01/x
  3. Step 3: Cross multiply
    95,660.65x = 143,491.11 × 45,729.01
  4. Step 4: Simplify right side
    95,660.65x = 6,561,706,404.10
  5. Step 5: Solve for x
    x = 6,561,706,404.10/95,660.65
  6. Step 6: Final answer
    x = 68,593.58

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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.