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Finding the Fourth Proportional to 176.18, 264.08 and 124.70

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Solution

The fourth proportional to 176.18, 264.08 and 124.70 is: 186.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.18 : 264.08 = 124.70 : x
  2. Step 2: Convert to fraction form
    176.18/264.08 = 124.70/x
  3. Step 3: Cross multiply
    176.18x = 264.08 × 124.70
  4. Step 4: Simplify right side
    176.18x = 32,929.77
  5. Step 5: Solve for x
    x = 32,929.77/176.18
  6. Step 6: Final answer
    x = 186.92

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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.