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Finding the Fourth Proportional to 143,635.44, 198,115.56 and 124,480.56

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Solution

The fourth proportional to 143,635.44, 198,115.56 and 124,480.56 is: 171,695.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,635.44 : 198,115.56 = 124,480.56 : x
  2. Step 2: Convert to fraction form
    143,635.44/198,115.56 = 124,480.56/x
  3. Step 3: Cross multiply
    143,635.44x = 198,115.56 × 124,480.56
  4. Step 4: Simplify right side
    143,635.44x = 24,661,535,853.51
  5. Step 5: Solve for x
    x = 24,661,535,853.51/143,635.44
  6. Step 6: Final answer
    x = 171,695.34

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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.