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Finding the Fourth Proportional to 176.83, 243.88 and 114.59

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Solution

The fourth proportional to 176.83, 243.88 and 114.59 is: 158.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.83 : 243.88 = 114.59 : x
  2. Step 2: Convert to fraction form
    176.83/243.88 = 114.59/x
  3. Step 3: Cross multiply
    176.83x = 243.88 × 114.59
  4. Step 4: Simplify right side
    176.83x = 27,946.53
  5. Step 5: Solve for x
    x = 27,946.53/176.83
  6. Step 6: Final answer
    x = 158.04

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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.