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Finding the Fourth Proportional to 137,226.60, 205,820.70 and 43,741.80

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Solution

The fourth proportional to 137,226.60, 205,820.70 and 43,741.80 is: 65,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,226.60 : 205,820.70 = 43,741.80 : x
  2. Step 2: Convert to fraction form
    137,226.60/205,820.70 = 43,741.80/x
  3. Step 3: Cross multiply
    137,226.60x = 205,820.70 × 43,741.80
  4. Step 4: Simplify right side
    137,226.60x = 9,002,967,895.26
  5. Step 5: Solve for x
    x = 9,002,967,895.26/137,226.60
  6. Step 6: Final answer
    x = 65,606.58

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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.