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Finding the Fourth Proportional to 173,281.69, 259,856.92 and 68,043.25

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Solution

The fourth proportional to 173,281.69, 259,856.92 and 68,043.25 is: 102,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,281.69 : 259,856.92 = 68,043.25 : x
  2. Step 2: Convert to fraction form
    173,281.69/259,856.92 = 68,043.25/x
  3. Step 3: Cross multiply
    173,281.69x = 259,856.92 × 68,043.25
  4. Step 4: Simplify right side
    173,281.69x = 17,681,509,371.79
  5. Step 5: Solve for x
    x = 17,681,509,371.79/173,281.69
  6. Step 6: Final answer
    x = 102,039.11

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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.