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Finding the Fourth Proportional to 69,433.40, 104,150.10 and 63,309.80

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Solution

The fourth proportional to 69,433.40, 104,150.10 and 63,309.80 is: 94,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,433.40 : 104,150.10 = 63,309.80 : x
  2. Step 2: Convert to fraction form
    69,433.40/104,150.10 = 63,309.80/x
  3. Step 3: Cross multiply
    69,433.40x = 104,150.10 × 63,309.80
  4. Step 4: Simplify right side
    69,433.40x = 6,593,722,000.98
  5. Step 5: Solve for x
    x = 6,593,722,000.98/69,433.40
  6. Step 6: Final answer
    x = 94,964.70

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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.