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Finding the Fourth Proportional to 69,365.52, 104,048.28 and 29,390.80

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Solution

The fourth proportional to 69,365.52, 104,048.28 and 29,390.80 is: 44,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,365.52 : 104,048.28 = 29,390.80 : x
  2. Step 2: Convert to fraction form
    69,365.52/104,048.28 = 29,390.80/x
  3. Step 3: Cross multiply
    69,365.52x = 104,048.28 × 29,390.80
  4. Step 4: Simplify right side
    69,365.52x = 3,058,062,187.82
  5. Step 5: Solve for x
    x = 3,058,062,187.82/69,365.52
  6. Step 6: Final answer
    x = 44,086.20

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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.