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Finding the Fourth Proportional to 69,276.85, 103,871.94 and 29,275.14

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Solution

The fourth proportional to 69,276.85, 103,871.94 and 29,275.14 is: 43,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,276.85 : 103,871.94 = 29,275.14 : x
  2. Step 2: Convert to fraction form
    69,276.85/103,871.94 = 29,275.14/x
  3. Step 3: Cross multiply
    69,276.85x = 103,871.94 × 29,275.14
  4. Step 4: Simplify right side
    69,276.85x = 3,040,865,585.57
  5. Step 5: Solve for x
    x = 3,040,865,585.57/69,276.85
  6. Step 6: Final answer
    x = 43,894.40

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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.