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Finding the Fourth Proportional to 137,651.01, 206,457.08 and 44,144.61

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Solution

The fourth proportional to 137,651.01, 206,457.08 and 44,144.61 is: 66,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,651.01 : 206,457.08 = 44,144.61 : x
  2. Step 2: Convert to fraction form
    137,651.01/206,457.08 = 44,144.61/x
  3. Step 3: Cross multiply
    137,651.01x = 206,457.08 × 44,144.61
  4. Step 4: Simplify right side
    137,651.01x = 9,113,967,057.62
  5. Step 5: Solve for x
    x = 9,113,967,057.62/137,651.01
  6. Step 6: Final answer
    x = 66,210.68

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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.