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Finding the Fourth Proportional to 375.24, 562.93 and 115.25

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Solution

The fourth proportional to 375.24, 562.93 and 115.25 is: 172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.24 : 562.93 = 115.25 : x
  2. Step 2: Convert to fraction form
    375.24/562.93 = 115.25/x
  3. Step 3: Cross multiply
    375.24x = 562.93 × 115.25
  4. Step 4: Simplify right side
    375.24x = 64,877.68
  5. Step 5: Solve for x
    x = 64,877.68/375.24
  6. Step 6: Final answer
    x = 172.90

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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.