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Finding the Fourth Proportional to 121,960.56, 183,854.88 and 113,832.24

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Solution

The fourth proportional to 121,960.56, 183,854.88 and 113,832.24 is: 171,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,960.56 : 183,854.88 = 113,832.24 : x
  2. Step 2: Convert to fraction form
    121,960.56/183,854.88 = 113,832.24/x
  3. Step 3: Cross multiply
    121,960.56x = 183,854.88 × 113,832.24
  4. Step 4: Simplify right side
    121,960.56x = 20,928,612,825.33
  5. Step 5: Solve for x
    x = 20,928,612,825.33/121,960.56
  6. Step 6: Final answer
    x = 171,601.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.