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Finding the Fourth Proportional to 176.01, 263.98 and 67.87

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Solution

The fourth proportional to 176.01, 263.98 and 67.87 is: 101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.01 : 263.98 = 67.87 : x
  2. Step 2: Convert to fraction form
    176.01/263.98 = 67.87/x
  3. Step 3: Cross multiply
    176.01x = 263.98 × 67.87
  4. Step 4: Simplify right side
    176.01x = 17,916.32
  5. Step 5: Solve for x
    x = 17,916.32/176.01
  6. Step 6: Final answer
    x = 101.79

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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.