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Finding the Fourth Proportional to 70,251.04, 105,361.98 and 25,866.28

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Solution

The fourth proportional to 70,251.04, 105,361.98 and 25,866.28 is: 38,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,251.04 : 105,361.98 = 25,866.28 : x
  2. Step 2: Convert to fraction form
    70,251.04/105,361.98 = 25,866.28/x
  3. Step 3: Cross multiply
    70,251.04x = 105,361.98 × 25,866.28
  4. Step 4: Simplify right side
    70,251.04x = 2,725,322,476.03
  5. Step 5: Solve for x
    x = 2,725,322,476.03/70,251.04
  6. Step 6: Final answer
    x = 38,794.05

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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.