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Finding the Fourth Proportional to 262,593.32, 393,807.36 and 85,059.14

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Solution

The fourth proportional to 262,593.32, 393,807.36 and 85,059.14 is: 127,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,593.32 : 393,807.36 = 85,059.14 : x
  2. Step 2: Convert to fraction form
    262,593.32/393,807.36 = 85,059.14/x
  3. Step 3: Cross multiply
    262,593.32x = 393,807.36 × 85,059.14
  4. Step 4: Simplify right side
    262,593.32x = 33,496,915,367.27
  5. Step 5: Solve for x
    x = 33,496,915,367.27/262,593.32
  6. Step 6: Final answer
    x = 127,561.95

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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.