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Finding the Fourth Proportional to 116.57, 175.17 and 70.93

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Solution

The fourth proportional to 116.57, 175.17 and 70.93 is: 106.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.57 : 175.17 = 70.93 : x
  2. Step 2: Convert to fraction form
    116.57/175.17 = 70.93/x
  3. Step 3: Cross multiply
    116.57x = 175.17 × 70.93
  4. Step 4: Simplify right side
    116.57x = 12,424.81
  5. Step 5: Solve for x
    x = 12,424.81/116.57
  6. Step 6: Final answer
    x = 106.59

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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.