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Finding the Fourth Proportional to 69,498.35, 104,362.84 and 43,369.16

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Solution

The fourth proportional to 69,498.35, 104,362.84 and 43,369.16 is: 65,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,498.35 : 104,362.84 = 43,369.16 : x
  2. Step 2: Convert to fraction form
    69,498.35/104,362.84 = 43,369.16/x
  3. Step 3: Cross multiply
    69,498.35x = 104,362.84 × 43,369.16
  4. Step 4: Simplify right side
    69,498.35x = 4,526,128,706.01
  5. Step 5: Solve for x
    x = 4,526,128,706.01/69,498.35
  6. Step 6: Final answer
    x = 65,125.70

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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.