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Finding the Fourth Proportional to 69,107.91, 103,553.87 and 48,089.02

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Solution

The fourth proportional to 69,107.91, 103,553.87 and 48,089.02 is: 72,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,107.91 : 103,553.87 = 48,089.02 : x
  2. Step 2: Convert to fraction form
    69,107.91/103,553.87 = 48,089.02/x
  3. Step 3: Cross multiply
    69,107.91x = 103,553.87 × 48,089.02
  4. Step 4: Simplify right side
    69,107.91x = 4,979,803,626.18
  5. Step 5: Solve for x
    x = 4,979,803,626.18/69,107.91
  6. Step 6: Final answer
    x = 72,058.37

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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.