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Finding the Fourth Proportional to 137,851.30, 206,812.95 and 44,359.30

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Solution

The fourth proportional to 137,851.30, 206,812.95 and 44,359.30 is: 66,550.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,851.30 : 206,812.95 = 44,359.30 : x
  2. Step 2: Convert to fraction form
    137,851.30/206,812.95 = 44,359.30/x
  3. Step 3: Cross multiply
    137,851.30x = 206,812.95 × 44,359.30
  4. Step 4: Simplify right side
    137,851.30x = 9,174,077,692.94
  5. Step 5: Solve for x
    x = 9,174,077,692.94/137,851.30
  6. Step 6: Final answer
    x = 66,550.53

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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.