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Finding the Fourth Proportional to 69,433.80, 104,129.10 and 25,054.77

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Solution

The fourth proportional to 69,433.80, 104,129.10 and 25,054.77 is: 37,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,433.80 : 104,129.10 = 25,054.77 : x
  2. Step 2: Convert to fraction form
    69,433.80/104,129.10 = 25,054.77/x
  3. Step 3: Cross multiply
    69,433.80x = 104,129.10 × 25,054.77
  4. Step 4: Simplify right side
    69,433.80x = 2,608,930,650.81
  5. Step 5: Solve for x
    x = 2,608,930,650.81/69,433.80
  6. Step 6: Final answer
    x = 37,574.36

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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.