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Finding the Fourth Proportional to 75,262.98, 103,864.08 and 41,274.57

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Solution

The fourth proportional to 75,262.98, 103,864.08 and 41,274.57 is: 56,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,262.98 : 103,864.08 = 41,274.57 : x
  2. Step 2: Convert to fraction form
    75,262.98/103,864.08 = 41,274.57/x
  3. Step 3: Cross multiply
    75,262.98x = 103,864.08 × 41,274.57
  4. Step 4: Simplify right side
    75,262.98x = 4,286,945,240.45
  5. Step 5: Solve for x
    x = 4,286,945,240.45/75,262.98
  6. Step 6: Final answer
    x = 56,959.55

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Why These Related Problems?

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