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Finding the Fourth Proportional to 207,744.15, 287,171.22 and 185,305.53

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Solution

The fourth proportional to 207,744.15, 287,171.22 and 185,305.53 is: 256,153.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,744.15 : 287,171.22 = 185,305.53 : x
  2. Step 2: Convert to fraction form
    207,744.15/287,171.22 = 185,305.53/x
  3. Step 3: Cross multiply
    207,744.15x = 287,171.22 × 185,305.53
  4. Step 4: Simplify right side
    207,744.15x = 53,214,415,122.85
  5. Step 5: Solve for x
    x = 53,214,415,122.85/207,744.15
  6. Step 6: Final answer
    x = 256,153.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.