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Finding the Fourth Proportional to 70,700.92, 106,065.42 and 26,328.04

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Solution

The fourth proportional to 70,700.92, 106,065.42 and 26,328.04 is: 39,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,700.92 : 106,065.42 = 26,328.04 : x
  2. Step 2: Convert to fraction form
    70,700.92/106,065.42 = 26,328.04/x
  3. Step 3: Cross multiply
    70,700.92x = 106,065.42 × 26,328.04
  4. Step 4: Simplify right side
    70,700.92x = 2,792,494,620.38
  5. Step 5: Solve for x
    x = 2,792,494,620.38/70,700.92
  6. Step 6: Final answer
    x = 39,497.29

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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.