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Finding the Fourth Proportional to 159,969.56, 220,738.38 and 101,806.24

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Solution

The fourth proportional to 159,969.56, 220,738.38 and 101,806.24 is: 140,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,969.56 : 220,738.38 = 101,806.24 : x
  2. Step 2: Convert to fraction form
    159,969.56/220,738.38 = 101,806.24/x
  3. Step 3: Cross multiply
    159,969.56x = 220,738.38 × 101,806.24
  4. Step 4: Simplify right side
    159,969.56x = 22,472,544,491.49
  5. Step 5: Solve for x
    x = 22,472,544,491.49/159,969.56
  6. Step 6: Final answer
    x = 140,480.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.