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Finding the Fourth Proportional to 69,959.39, 104,969.99 and 36,671.49

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Solution

The fourth proportional to 69,959.39, 104,969.99 and 36,671.49 is: 55,023.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,959.39 : 104,969.99 = 36,671.49 : x
  2. Step 2: Convert to fraction form
    69,959.39/104,969.99 = 36,671.49/x
  3. Step 3: Cross multiply
    69,959.39x = 104,969.99 × 36,671.49
  4. Step 4: Simplify right side
    69,959.39x = 3,849,406,030.26
  5. Step 5: Solve for x
    x = 3,849,406,030.26/69,959.39
  6. Step 6: Final answer
    x = 55,023.44

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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.