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Finding the Fourth Proportional to 244,015.74, 366,012.90 and 66,522.78

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Solution

The fourth proportional to 244,015.74, 366,012.90 and 66,522.78 is: 99,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,015.74 : 366,012.90 = 66,522.78 : x
  2. Step 2: Convert to fraction form
    244,015.74/366,012.90 = 66,522.78/x
  3. Step 3: Cross multiply
    244,015.74x = 366,012.90 × 66,522.78
  4. Step 4: Simplify right side
    244,015.74x = 24,348,195,623.86
  5. Step 5: Solve for x
    x = 24,348,195,623.86/244,015.74
  6. Step 6: Final answer
    x = 99,781.25

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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.