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Finding the Fourth Proportional to 69,860.32, 104,754.88 and 34,324

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Solution

The fourth proportional to 69,860.32, 104,754.88 and 34,324 is: 51,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,860.32 : 104,754.88 = 34,324 : x
  2. Step 2: Convert to fraction form
    69,860.32/104,754.88 = 34,324/x
  3. Step 3: Cross multiply
    69,860.32x = 104,754.88 × 34,324
  4. Step 4: Simplify right side
    69,860.32x = 3,595,606,501.12
  5. Step 5: Solve for x
    x = 3,595,606,501.12/69,860.32
  6. Step 6: Final answer
    x = 51,468.51

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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.