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Finding the Fourth Proportional to 69,619.12, 104,484.12 and 25,258.60

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Solution

The fourth proportional to 69,619.12, 104,484.12 and 25,258.60 is: 37,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,619.12 : 104,484.12 = 25,258.60 : x
  2. Step 2: Convert to fraction form
    69,619.12/104,484.12 = 25,258.60/x
  3. Step 3: Cross multiply
    69,619.12x = 104,484.12 × 25,258.60
  4. Step 4: Simplify right side
    69,619.12x = 2,639,122,593.43
  5. Step 5: Solve for x
    x = 2,639,122,593.43/69,619.12
  6. Step 6: Final answer
    x = 37,908.01

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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.