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Finding the Fourth Proportional to 116.66, 175 and 58.90

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Solution

The fourth proportional to 116.66, 175 and 58.90 is: 88.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.66 : 175 = 58.90 : x
  2. Step 2: Convert to fraction form
    116.66/175 = 58.90/x
  3. Step 3: Cross multiply
    116.66x = 175 × 58.90
  4. Step 4: Simplify right side
    116.66x = 10,307.50
  5. Step 5: Solve for x
    x = 10,307.50/116.66
  6. Step 6: Final answer
    x = 88.36

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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.