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Finding the Fourth Proportional to 125.18, 187.77 and 44.00

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Solution

The fourth proportional to 125.18, 187.77 and 44.00 is: 66.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.18 : 187.77 = 44.00 : x
  2. Step 2: Convert to fraction form
    125.18/187.77 = 44.00/x
  3. Step 3: Cross multiply
    125.18x = 187.77 × 44.00
  4. Step 4: Simplify right side
    125.18x = 8,262.41
  5. Step 5: Solve for x
    x = 8,262.41/125.18
  6. Step 6: Final answer
    x = 66.00

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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.