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Finding the Fourth Proportional to 173,631, 239,612.22 and 94,143

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Solution

The fourth proportional to 173,631, 239,612.22 and 94,143 is: 129,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,631 : 239,612.22 = 94,143 : x
  2. Step 2: Convert to fraction form
    173,631/239,612.22 = 94,143/x
  3. Step 3: Cross multiply
    173,631x = 239,612.22 × 94,143
  4. Step 4: Simplify right side
    173,631x = 22,557,813,227.46
  5. Step 5: Solve for x
    x = 22,557,813,227.46/173,631
  6. Step 6: Final answer
    x = 129,918.12

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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.