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Finding the Fourth Proportional to 70,301.44, 105,493.74 and 25,959.52

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Solution

The fourth proportional to 70,301.44, 105,493.74 and 25,959.52 is: 38,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,301.44 : 105,493.74 = 25,959.52 : x
  2. Step 2: Convert to fraction form
    70,301.44/105,493.74 = 25,959.52/x
  3. Step 3: Cross multiply
    70,301.44x = 105,493.74 × 25,959.52
  4. Step 4: Simplify right side
    70,301.44x = 2,738,566,853.40
  5. Step 5: Solve for x
    x = 2,738,566,853.40/70,301.44
  6. Step 6: Final answer
    x = 38,954.63

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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.