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Finding the Fourth Proportional to 116.02, 159.91 and 92.62

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Solution

The fourth proportional to 116.02, 159.91 and 92.62 is: 127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.02 : 159.91 = 92.62 : x
  2. Step 2: Convert to fraction form
    116.02/159.91 = 92.62/x
  3. Step 3: Cross multiply
    116.02x = 159.91 × 92.62
  4. Step 4: Simplify right side
    116.02x = 14,810.40
  5. Step 5: Solve for x
    x = 14,810.40/116.02
  6. Step 6: Final answer
    x = 127.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.