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Finding the Fourth Proportional to 228,807.73, 343,216.14 and 161,062.69

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Solution

The fourth proportional to 228,807.73, 343,216.14 and 161,062.69 is: 241,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,807.73 : 343,216.14 = 161,062.69 : x
  2. Step 2: Convert to fraction form
    228,807.73/343,216.14 = 161,062.69/x
  3. Step 3: Cross multiply
    228,807.73x = 343,216.14 × 161,062.69
  4. Step 4: Simplify right side
    228,807.73x = 55,279,314,759.82
  5. Step 5: Solve for x
    x = 55,279,314,759.82/228,807.73
  6. Step 6: Final answer
    x = 241,597.23

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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.