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Finding the Fourth Proportional to 69,773.68, 104,670.24 and 25,392.16

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Solution

The fourth proportional to 69,773.68, 104,670.24 and 25,392.16 is: 38,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,773.68 : 104,670.24 = 25,392.16 : x
  2. Step 2: Convert to fraction form
    69,773.68/104,670.24 = 25,392.16/x
  3. Step 3: Cross multiply
    69,773.68x = 104,670.24 × 25,392.16
  4. Step 4: Simplify right side
    69,773.68x = 2,657,803,481.32
  5. Step 5: Solve for x
    x = 2,657,803,481.32/69,773.68
  6. Step 6: Final answer
    x = 38,091.78

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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.