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Finding the Fourth Proportional to 69,433.71, 104,150.70 and 25,091.77

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Solution

The fourth proportional to 69,433.71, 104,150.70 and 25,091.77 is: 37,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,433.71 : 104,150.70 = 25,091.77 : x
  2. Step 2: Convert to fraction form
    69,433.71/104,150.70 = 25,091.77/x
  3. Step 3: Cross multiply
    69,433.71x = 104,150.70 × 25,091.77
  4. Step 4: Simplify right side
    69,433.71x = 2,613,325,149.36
  5. Step 5: Solve for x
    x = 2,613,325,149.36/69,433.71
  6. Step 6: Final answer
    x = 37,637.70

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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.