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Finding the Fourth Proportional to 173,228.78, 259,960.03 and 60,909.62

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Solution

The fourth proportional to 173,228.78, 259,960.03 and 60,909.62 is: 91,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,228.78 : 259,960.03 = 60,909.62 : x
  2. Step 2: Convert to fraction form
    173,228.78/259,960.03 = 60,909.62/x
  3. Step 3: Cross multiply
    173,228.78x = 259,960.03 × 60,909.62
  4. Step 4: Simplify right side
    173,228.78x = 15,834,066,995.31
  5. Step 5: Solve for x
    x = 15,834,066,995.31/173,228.78
  6. Step 6: Final answer
    x = 91,405.52

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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.