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Finding the Fourth Proportional to 116,080, 160,205.52 and 68,337.76

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Solution

The fourth proportional to 116,080, 160,205.52 and 68,337.76 is: 94,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,080 : 160,205.52 = 68,337.76 : x
  2. Step 2: Convert to fraction form
    116,080/160,205.52 = 68,337.76/x
  3. Step 3: Cross multiply
    116,080x = 160,205.52 × 68,337.76
  4. Step 4: Simplify right side
    116,080x = 10,948,086,376.44
  5. Step 5: Solve for x
    x = 10,948,086,376.44/116,080
  6. Step 6: Final answer
    x = 94,315.01

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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.