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Finding the Fourth Proportional to 160,408.75, 221,422.49 and 93,340.75

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Solution

The fourth proportional to 160,408.75, 221,422.49 and 93,340.75 is: 128,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,408.75 : 221,422.49 = 93,340.75 : x
  2. Step 2: Convert to fraction form
    160,408.75/221,422.49 = 93,340.75/x
  3. Step 3: Cross multiply
    160,408.75x = 221,422.49 × 93,340.75
  4. Step 4: Simplify right side
    160,408.75x = 20,667,741,283.47
  5. Step 5: Solve for x
    x = 20,667,741,283.47/160,408.75
  6. Step 6: Final answer
    x = 128,844.23

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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.