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Finding the Fourth Proportional to 175.53, 242.24 and 125.07

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Solution

The fourth proportional to 175.53, 242.24 and 125.07 is: 172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.53 : 242.24 = 125.07 : x
  2. Step 2: Convert to fraction form
    175.53/242.24 = 125.07/x
  3. Step 3: Cross multiply
    175.53x = 242.24 × 125.07
  4. Step 4: Simplify right side
    175.53x = 30,296.96
  5. Step 5: Solve for x
    x = 30,296.96/175.53
  6. Step 6: Final answer
    x = 172.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.