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Finding the Fourth Proportional to 375.18, 562.72 and 101.26

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Solution

The fourth proportional to 375.18, 562.72 and 101.26 is: 151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.18 : 562.72 = 101.26 : x
  2. Step 2: Convert to fraction form
    375.18/562.72 = 101.26/x
  3. Step 3: Cross multiply
    375.18x = 562.72 × 101.26
  4. Step 4: Simplify right side
    375.18x = 56,981.03
  5. Step 5: Solve for x
    x = 56,981.03/375.18
  6. Step 6: Final answer
    x = 151.88

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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.