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Finding the Fourth Proportional to 69,363.54, 103,960.35 and 29,836.98

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Solution

The fourth proportional to 69,363.54, 103,960.35 and 29,836.98 is: 44,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,363.54 : 103,960.35 = 29,836.98 : x
  2. Step 2: Convert to fraction form
    69,363.54/103,960.35 = 29,836.98/x
  3. Step 3: Cross multiply
    69,363.54x = 103,960.35 × 29,836.98
  4. Step 4: Simplify right side
    69,363.54x = 3,101,862,883.74
  5. Step 5: Solve for x
    x = 3,101,862,883.74/69,363.54
  6. Step 6: Final answer
    x = 44,718.92

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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.