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Finding the Fourth Proportional to 60,245.34, 90,331.52 and 26,959.20

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Solution

The fourth proportional to 60,245.34, 90,331.52 and 26,959.20 is: 40,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,245.34 : 90,331.52 = 26,959.20 : x
  2. Step 2: Convert to fraction form
    60,245.34/90,331.52 = 26,959.20/x
  3. Step 3: Cross multiply
    60,245.34x = 90,331.52 × 26,959.20
  4. Step 4: Simplify right side
    60,245.34x = 2,435,265,513.98
  5. Step 5: Solve for x
    x = 2,435,265,513.98/60,245.34
  6. Step 6: Final answer
    x = 40,422.47

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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.