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Finding the Fourth Proportional to 174,278.61, 261,393.21 and 55,934.37

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Solution

The fourth proportional to 174,278.61, 261,393.21 and 55,934.37 is: 83,893.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,278.61 : 261,393.21 = 55,934.37 : x
  2. Step 2: Convert to fraction form
    174,278.61/261,393.21 = 55,934.37/x
  3. Step 3: Cross multiply
    174,278.61x = 261,393.21 × 55,934.37
  4. Step 4: Simplify right side
    174,278.61x = 14,620,864,523.63
  5. Step 5: Solve for x
    x = 14,620,864,523.63/174,278.61
  6. Step 6: Final answer
    x = 83,893.63

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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.