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Finding the Fourth Proportional to 160,866.60, 241,328.70 and 67,381.80

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Solution

The fourth proportional to 160,866.60, 241,328.70 and 67,381.80 is: 101,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,866.60 : 241,328.70 = 67,381.80 : x
  2. Step 2: Convert to fraction form
    160,866.60/241,328.70 = 67,381.80/x
  3. Step 3: Cross multiply
    160,866.60x = 241,328.70 × 67,381.80
  4. Step 4: Simplify right side
    160,866.60x = 16,261,162,197.66
  5. Step 5: Solve for x
    x = 16,261,162,197.66/160,866.60
  6. Step 6: Final answer
    x = 101,084.76

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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.