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Finding the Fourth Proportional to 69,698.20, 104,561.04 and 25,326.40

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Solution

The fourth proportional to 69,698.20, 104,561.04 and 25,326.40 is: 37,994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,698.20 : 104,561.04 = 25,326.40 : x
  2. Step 2: Convert to fraction form
    69,698.20/104,561.04 = 25,326.40/x
  3. Step 3: Cross multiply
    69,698.20x = 104,561.04 × 25,326.40
  4. Step 4: Simplify right side
    69,698.20x = 2,648,154,723.46
  5. Step 5: Solve for x
    x = 2,648,154,723.46/69,698.20
  6. Step 6: Final answer
    x = 37,994.59

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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.