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Finding the Fourth Proportional to 163,299.56, 244,961.22 and 68,434.52

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Solution

The fourth proportional to 163,299.56, 244,961.22 and 68,434.52 is: 102,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,299.56 : 244,961.22 = 68,434.52 : x
  2. Step 2: Convert to fraction form
    163,299.56/244,961.22 = 68,434.52/x
  3. Step 3: Cross multiply
    163,299.56x = 244,961.22 × 68,434.52
  4. Step 4: Simplify right side
    163,299.56x = 16,763,803,509.31
  5. Step 5: Solve for x
    x = 16,763,803,509.31/163,299.56
  6. Step 6: Final answer
    x = 102,656.76

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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.