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Finding the Fourth Proportional to 160,893.76, 240,990.56 and 108,068.80

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Solution

The fourth proportional to 160,893.76, 240,990.56 and 108,068.80 is: 161,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,893.76 : 240,990.56 = 108,068.80 : x
  2. Step 2: Convert to fraction form
    160,893.76/240,990.56 = 108,068.80/x
  3. Step 3: Cross multiply
    160,893.76x = 240,990.56 × 108,068.80
  4. Step 4: Simplify right side
    160,893.76x = 26,043,560,630.53
  5. Step 5: Solve for x
    x = 26,043,560,630.53/160,893.76
  6. Step 6: Final answer
    x = 161,868.06

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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.