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Finding the Fourth Proportional to 375.16, 562.60 and 158.76

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Solution

The fourth proportional to 375.16, 562.60 and 158.76 is: 238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.16 : 562.60 = 158.76 : x
  2. Step 2: Convert to fraction form
    375.16/562.60 = 158.76/x
  3. Step 3: Cross multiply
    375.16x = 562.60 × 158.76
  4. Step 4: Simplify right side
    375.16x = 89,318.38
  5. Step 5: Solve for x
    x = 89,318.38/375.16
  6. Step 6: Final answer
    x = 238.08

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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.