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Finding the Fourth Proportional to 69,462.94, 104,125.20 and 27,316.66

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Solution

The fourth proportional to 69,462.94, 104,125.20 and 27,316.66 is: 40,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,462.94 : 104,125.20 = 27,316.66 : x
  2. Step 2: Convert to fraction form
    69,462.94/104,125.20 = 27,316.66/x
  3. Step 3: Cross multiply
    69,462.94x = 104,125.20 × 27,316.66
  4. Step 4: Simplify right side
    69,462.94x = 2,844,352,685.83
  5. Step 5: Solve for x
    x = 2,844,352,685.83/69,462.94
  6. Step 6: Final answer
    x = 40,947.77

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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.