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Finding the Fourth Proportional to 160,923.20, 241,471.20 and 67,438.40

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Solution

The fourth proportional to 160,923.20, 241,471.20 and 67,438.40 is: 101,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,923.20 : 241,471.20 = 67,438.40 : x
  2. Step 2: Convert to fraction form
    160,923.20/241,471.20 = 67,438.40/x
  3. Step 3: Cross multiply
    160,923.20x = 241,471.20 × 67,438.40
  4. Step 4: Simplify right side
    160,923.20x = 16,284,431,374.08
  5. Step 5: Solve for x
    x = 16,284,431,374.08/160,923.20
  6. Step 6: Final answer
    x = 101,193.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.