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Finding the Fourth Proportional to 67,295.90, 100,966.32 and 29,850.81

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Solution

The fourth proportional to 67,295.90, 100,966.32 and 29,850.81 is: 44,786.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,295.90 : 100,966.32 = 29,850.81 : x
  2. Step 2: Convert to fraction form
    67,295.90/100,966.32 = 29,850.81/x
  3. Step 3: Cross multiply
    67,295.90x = 100,966.32 × 29,850.81
  4. Step 4: Simplify right side
    67,295.90x = 3,013,926,434.72
  5. Step 5: Solve for x
    x = 3,013,926,434.72/67,295.90
  6. Step 6: Final answer
    x = 44,786.19

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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.