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Finding the Fourth Proportional to 106,624.65, 159,798.93 and 43,371.35

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Solution

The fourth proportional to 106,624.65, 159,798.93 and 43,371.35 is: 65,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,624.65 : 159,798.93 = 43,371.35 : x
  2. Step 2: Convert to fraction form
    106,624.65/159,798.93 = 43,371.35/x
  3. Step 3: Cross multiply
    106,624.65x = 159,798.93 × 43,371.35
  4. Step 4: Simplify right side
    106,624.65x = 6,930,694,960.26
  5. Step 5: Solve for x
    x = 6,930,694,960.26/106,624.65
  6. Step 6: Final answer
    x = 65,000.87

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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.