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Finding the Fourth Proportional to 69,965.07, 104,978.58 and 36,677.22

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Solution

The fourth proportional to 69,965.07, 104,978.58 and 36,677.22 is: 55,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,965.07 : 104,978.58 = 36,677.22 : x
  2. Step 2: Convert to fraction form
    69,965.07/104,978.58 = 36,677.22/x
  3. Step 3: Cross multiply
    69,965.07x = 104,978.58 × 36,677.22
  4. Step 4: Simplify right side
    69,965.07x = 3,850,322,473.95
  5. Step 5: Solve for x
    x = 3,850,322,473.95/69,965.07
  6. Step 6: Final answer
    x = 55,032.07

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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.