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Finding the Fourth Proportional to 100,898.41, 151,243.76 and 44,764.95

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Solution

The fourth proportional to 100,898.41, 151,243.76 and 44,764.95 is: 67,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,898.41 : 151,243.76 = 44,764.95 : x
  2. Step 2: Convert to fraction form
    100,898.41/151,243.76 = 44,764.95/x
  3. Step 3: Cross multiply
    100,898.41x = 151,243.76 × 44,764.95
  4. Step 4: Simplify right side
    100,898.41x = 6,770,419,781.49
  5. Step 5: Solve for x
    x = 6,770,419,781.49/100,898.41
  6. Step 6: Final answer
    x = 67,101.35

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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.