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Finding the Fourth Proportional to 124.02, 186.13 and 96.53

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Solution

The fourth proportional to 124.02, 186.13 and 96.53 is: 144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.02 : 186.13 = 96.53 : x
  2. Step 2: Convert to fraction form
    124.02/186.13 = 96.53/x
  3. Step 3: Cross multiply
    124.02x = 186.13 × 96.53
  4. Step 4: Simplify right side
    124.02x = 17,967.13
  5. Step 5: Solve for x
    x = 17,967.13/124.02
  6. Step 6: Final answer
    x = 144.87

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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.