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Finding the Fourth Proportional to 173,685, 239,685.30 and 94,197

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Solution

The fourth proportional to 173,685, 239,685.30 and 94,197 is: 129,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,685 : 239,685.30 = 94,197 : x
  2. Step 2: Convert to fraction form
    173,685/239,685.30 = 94,197/x
  3. Step 3: Cross multiply
    173,685x = 239,685.30 × 94,197
  4. Step 4: Simplify right side
    173,685x = 22,577,636,204.10
  5. Step 5: Solve for x
    x = 22,577,636,204.10/173,685
  6. Step 6: Final answer
    x = 129,991.86

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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.