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Finding the Fourth Proportional to 116.58, 175 and 76.04

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Solution

The fourth proportional to 116.58, 175 and 76.04 is: 114.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.58 : 175 = 76.04 : x
  2. Step 2: Convert to fraction form
    116.58/175 = 76.04/x
  3. Step 3: Cross multiply
    116.58x = 175 × 76.04
  4. Step 4: Simplify right side
    116.58x = 13,307.00
  5. Step 5: Solve for x
    x = 13,307.00/116.58
  6. Step 6: Final answer
    x = 114.14

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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.