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Finding the Fourth Proportional to 225,967.86, 338,937.84 and 92,844.69

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Solution

The fourth proportional to 225,967.86, 338,937.84 and 92,844.69 is: 139,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,967.86 : 338,937.84 = 92,844.69 : x
  2. Step 2: Convert to fraction form
    225,967.86/338,937.84 = 92,844.69/x
  3. Step 3: Cross multiply
    225,967.86x = 338,937.84 × 92,844.69
  4. Step 4: Simplify right side
    225,967.86x = 31,468,578,684.07
  5. Step 5: Solve for x
    x = 31,468,578,684.07/225,967.86
  6. Step 6: Final answer
    x = 139,261.30

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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.