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Finding the Fourth Proportional to 69,549.76, 104,328.24 and 52,935.76

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Solution

The fourth proportional to 69,549.76, 104,328.24 and 52,935.76 is: 79,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,549.76 : 104,328.24 = 52,935.76 : x
  2. Step 2: Convert to fraction form
    69,549.76/104,328.24 = 52,935.76/x
  3. Step 3: Cross multiply
    69,549.76x = 104,328.24 × 52,935.76
  4. Step 4: Simplify right side
    69,549.76x = 5,522,694,673.86
  5. Step 5: Solve for x
    x = 5,522,694,673.86/69,549.76
  6. Step 6: Final answer
    x = 79,406.38

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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.