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Finding the Fourth Proportional to 69,907.80, 104,883.12 and 41,859.48

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Solution

The fourth proportional to 69,907.80, 104,883.12 and 41,859.48 is: 62,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,907.80 : 104,883.12 = 41,859.48 : x
  2. Step 2: Convert to fraction form
    69,907.80/104,883.12 = 41,859.48/x
  3. Step 3: Cross multiply
    69,907.80x = 104,883.12 × 41,859.48
  4. Step 4: Simplify right side
    69,907.80x = 4,390,352,863.98
  5. Step 5: Solve for x
    x = 4,390,352,863.98/69,907.80
  6. Step 6: Final answer
    x = 62,802.05

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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.