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Finding the Fourth Proportional to 69,278.86, 103,832.03 and 33,710.95

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Solution

The fourth proportional to 69,278.86, 103,832.03 and 33,710.95 is: 50,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,278.86 : 103,832.03 = 33,710.95 : x
  2. Step 2: Convert to fraction form
    69,278.86/103,832.03 = 33,710.95/x
  3. Step 3: Cross multiply
    69,278.86x = 103,832.03 × 33,710.95
  4. Step 4: Simplify right side
    69,278.86x = 3,500,276,396.17
  5. Step 5: Solve for x
    x = 3,500,276,396.17/69,278.86
  6. Step 6: Final answer
    x = 50,524.45

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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.