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Finding the Fourth Proportional to 116.70, 175.14 and 62.64

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Solution

The fourth proportional to 116.70, 175.14 and 62.64 is: 94.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.70 : 175.14 = 62.64 : x
  2. Step 2: Convert to fraction form
    116.70/175.14 = 62.64/x
  3. Step 3: Cross multiply
    116.70x = 175.14 × 62.64
  4. Step 4: Simplify right side
    116.70x = 10,970.77
  5. Step 5: Solve for x
    x = 10,970.77/116.70
  6. Step 6: Final answer
    x = 94.01

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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.