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Finding the Fourth Proportional to 149.98, 225.00 and 41.77

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Solution

The fourth proportional to 149.98, 225.00 and 41.77 is: 62.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.98 : 225.00 = 41.77 : x
  2. Step 2: Convert to fraction form
    149.98/225.00 = 41.77/x
  3. Step 3: Cross multiply
    149.98x = 225.00 × 41.77
  4. Step 4: Simplify right side
    149.98x = 9,397.38
  5. Step 5: Solve for x
    x = 9,397.38/149.98
  6. Step 6: Final answer
    x = 62.66

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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.