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Finding the Fourth Proportional to 173,684.50, 239,684.61 and 94,196.50

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Solution

The fourth proportional to 173,684.50, 239,684.61 and 94,196.50 is: 129,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,684.50 : 239,684.61 = 94,196.50 : x
  2. Step 2: Convert to fraction form
    173,684.50/239,684.61 = 94,196.50/x
  3. Step 3: Cross multiply
    173,684.50x = 239,684.61 × 94,196.50
  4. Step 4: Simplify right side
    173,684.50x = 22,577,451,365.87
  5. Step 5: Solve for x
    x = 22,577,451,365.87/173,684.50
  6. Step 6: Final answer
    x = 129,991.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.