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Finding the Fourth Proportional to 163,163.92, 244,716.68 and 103,823.32

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Solution

The fourth proportional to 163,163.92, 244,716.68 and 103,823.32 is: 155,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,163.92 : 244,716.68 = 103,823.32 : x
  2. Step 2: Convert to fraction form
    163,163.92/244,716.68 = 103,823.32/x
  3. Step 3: Cross multiply
    163,163.92x = 244,716.68 × 103,823.32
  4. Step 4: Simplify right side
    163,163.92x = 25,407,298,176.98
  5. Step 5: Solve for x
    x = 25,407,298,176.98/163,163.92
  6. Step 6: Final answer
    x = 155,716.40

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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.