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Finding the Fourth Proportional to 69,356.80, 104,057.08 and 29,932.48

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Solution

The fourth proportional to 69,356.80, 104,057.08 and 29,932.48 is: 44,908.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,356.80 : 104,057.08 = 29,932.48 : x
  2. Step 2: Convert to fraction form
    69,356.80/104,057.08 = 29,932.48/x
  3. Step 3: Cross multiply
    69,356.80x = 104,057.08 × 29,932.48
  4. Step 4: Simplify right side
    69,356.80x = 3,114,686,465.96
  5. Step 5: Solve for x
    x = 3,114,686,465.96/69,356.80
  6. Step 6: Final answer
    x = 44,908.16

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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.