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Finding the Fourth Proportional to 275,007.06, 412,510.92 and 75,329.17

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Solution

The fourth proportional to 275,007.06, 412,510.92 and 75,329.17 is: 112,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,007.06 : 412,510.92 = 75,329.17 : x
  2. Step 2: Convert to fraction form
    275,007.06/412,510.92 = 75,329.17/x
  3. Step 3: Cross multiply
    275,007.06x = 412,510.92 × 75,329.17
  4. Step 4: Simplify right side
    275,007.06x = 31,074,105,219.54
  5. Step 5: Solve for x
    x = 31,074,105,219.54/275,007.06
  6. Step 6: Final answer
    x = 112,993.85

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1.5x scale

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.