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Finding the Fourth Proportional to 68,991.01, 103,399.94 and 29,501.69

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Solution

The fourth proportional to 68,991.01, 103,399.94 and 29,501.69 is: 44,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,991.01 : 103,399.94 = 29,501.69 : x
  2. Step 2: Convert to fraction form
    68,991.01/103,399.94 = 29,501.69/x
  3. Step 3: Cross multiply
    68,991.01x = 103,399.94 × 29,501.69
  4. Step 4: Simplify right side
    68,991.01x = 3,050,472,532.65
  5. Step 5: Solve for x
    x = 3,050,472,532.65/68,991.01
  6. Step 6: Final answer
    x = 44,215.51

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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.