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Finding the Fourth Proportional to 70,718.36, 106,077.54 and 33,255.14

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Solution

The fourth proportional to 70,718.36, 106,077.54 and 33,255.14 is: 49,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,718.36 : 106,077.54 = 33,255.14 : x
  2. Step 2: Convert to fraction form
    70,718.36/106,077.54 = 33,255.14/x
  3. Step 3: Cross multiply
    70,718.36x = 106,077.54 × 33,255.14
  4. Step 4: Simplify right side
    70,718.36x = 3,527,623,443.56
  5. Step 5: Solve for x
    x = 3,527,623,443.56/70,718.36
  6. Step 6: Final answer
    x = 49,882.71

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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.