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Finding the Fourth Proportional to 44,184.90, 66,180.15 and 43,212.90

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Solution

The fourth proportional to 44,184.90, 66,180.15 and 43,212.90 is: 64,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,184.90 : 66,180.15 = 43,212.90 : x
  2. Step 2: Convert to fraction form
    44,184.90/66,180.15 = 43,212.90/x
  3. Step 3: Cross multiply
    44,184.90x = 66,180.15 × 43,212.90
  4. Step 4: Simplify right side
    44,184.90x = 2,859,836,203.94
  5. Step 5: Solve for x
    x = 2,859,836,203.94/44,184.90
  6. Step 6: Final answer
    x = 64,724.29

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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.