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Finding the Fourth Proportional to 173.61, 259.95 and 124.91

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Solution

The fourth proportional to 173.61, 259.95 and 124.91 is: 187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.61 : 259.95 = 124.91 : x
  2. Step 2: Convert to fraction form
    173.61/259.95 = 124.91/x
  3. Step 3: Cross multiply
    173.61x = 259.95 × 124.91
  4. Step 4: Simplify right side
    173.61x = 32,470.54
  5. Step 5: Solve for x
    x = 32,470.54/173.61
  6. Step 6: Final answer
    x = 187.03

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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.