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Finding the Fourth Proportional to 176.10, 263.74 and 124.86

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Solution

The fourth proportional to 176.10, 263.74 and 124.86 is: 187.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.10 : 263.74 = 124.86 : x
  2. Step 2: Convert to fraction form
    176.10/263.74 = 124.86/x
  3. Step 3: Cross multiply
    176.10x = 263.74 × 124.86
  4. Step 4: Simplify right side
    176.10x = 32,930.58
  5. Step 5: Solve for x
    x = 32,930.58/176.10
  6. Step 6: Final answer
    x = 187.00

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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.