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Finding the Fourth Proportional to 75,126.95, 103,674.81 and 41,134.82

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Solution

The fourth proportional to 75,126.95, 103,674.81 and 41,134.82 is: 56,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,126.95 : 103,674.81 = 41,134.82 : x
  2. Step 2: Convert to fraction form
    75,126.95/103,674.81 = 41,134.82/x
  3. Step 3: Cross multiply
    75,126.95x = 103,674.81 × 41,134.82
  4. Step 4: Simplify right side
    75,126.95x = 4,264,643,923.84
  5. Step 5: Solve for x
    x = 4,264,643,923.84/75,126.95
  6. Step 6: Final answer
    x = 56,765.84

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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.