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Finding the Fourth Proportional to 116.88, 175.23 and 70.59

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Solution

The fourth proportional to 116.88, 175.23 and 70.59 is: 105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.88 : 175.23 = 70.59 : x
  2. Step 2: Convert to fraction form
    116.88/175.23 = 70.59/x
  3. Step 3: Cross multiply
    116.88x = 175.23 × 70.59
  4. Step 4: Simplify right side
    116.88x = 12,369.49
  5. Step 5: Solve for x
    x = 12,369.49/116.88
  6. Step 6: Final answer
    x = 105.83

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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.