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Finding the Fourth Proportional to 75,040.76, 103,551.90 and 41,042.46

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Solution

The fourth proportional to 75,040.76, 103,551.90 and 41,042.46 is: 56,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,040.76 : 103,551.90 = 41,042.46 : x
  2. Step 2: Convert to fraction form
    75,040.76/103,551.90 = 41,042.46/x
  3. Step 3: Cross multiply
    75,040.76x = 103,551.90 × 41,042.46
  4. Step 4: Simplify right side
    75,040.76x = 4,250,024,713.67
  5. Step 5: Solve for x
    x = 4,250,024,713.67/75,040.76
  6. Step 6: Final answer
    x = 56,636.22

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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.