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Finding the Fourth Proportional to 159,960.75, 220,745.84 and 92,897.07

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Solution

The fourth proportional to 159,960.75, 220,745.84 and 92,897.07 is: 128,197.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,960.75 : 220,745.84 = 92,897.07 : x
  2. Step 2: Convert to fraction form
    159,960.75/220,745.84 = 92,897.07/x
  3. Step 3: Cross multiply
    159,960.75x = 220,745.84 × 92,897.07
  4. Step 4: Simplify right side
    159,960.75x = 20,506,641,286.20
  5. Step 5: Solve for x
    x = 20,506,641,286.20/159,960.75
  6. Step 6: Final answer
    x = 128,197.96

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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.