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Finding the Fourth Proportional to 239,324.88, 359,037.12 and 70,831.92

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Solution

The fourth proportional to 239,324.88, 359,037.12 and 70,831.92 is: 106,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,324.88 : 359,037.12 = 70,831.92 : x
  2. Step 2: Convert to fraction form
    239,324.88/359,037.12 = 70,831.92/x
  3. Step 3: Cross multiply
    239,324.88x = 359,037.12 × 70,831.92
  4. Step 4: Simplify right side
    239,324.88x = 25,431,288,560.87
  5. Step 5: Solve for x
    x = 25,431,288,560.87/239,324.88
  6. Step 6: Final answer
    x = 106,262.62

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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.