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Finding the Fourth Proportional to 75,520.38, 104,219.82 and 41,526.71

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Solution

The fourth proportional to 75,520.38, 104,219.82 and 41,526.71 is: 57,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,520.38 : 104,219.82 = 41,526.71 : x
  2. Step 2: Convert to fraction form
    75,520.38/104,219.82 = 41,526.71/x
  3. Step 3: Cross multiply
    75,520.38x = 104,219.82 × 41,526.71
  4. Step 4: Simplify right side
    75,520.38x = 4,327,905,955.39
  5. Step 5: Solve for x
    x = 4,327,905,955.39/75,520.38
  6. Step 6: Final answer
    x = 57,307.79

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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.