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Finding the Fourth Proportional to 176.31, 264.56 and 124.83

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Solution

The fourth proportional to 176.31, 264.56 and 124.83 is: 187.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.31 : 264.56 = 124.83 : x
  2. Step 2: Convert to fraction form
    176.31/264.56 = 124.83/x
  3. Step 3: Cross multiply
    176.31x = 264.56 × 124.83
  4. Step 4: Simplify right side
    176.31x = 33,024.40
  5. Step 5: Solve for x
    x = 33,024.40/176.31
  6. Step 6: Final answer
    x = 187.31

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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.