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Finding the Fourth Proportional to 162,730.97, 244,135.42 and 67,908.40

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Solution

The fourth proportional to 162,730.97, 244,135.42 and 67,908.40 is: 101,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,730.97 : 244,135.42 = 67,908.40 : x
  2. Step 2: Convert to fraction form
    162,730.97/244,135.42 = 67,908.40/x
  3. Step 3: Cross multiply
    162,730.97x = 244,135.42 × 67,908.40
  4. Step 4: Simplify right side
    162,730.97x = 16,578,845,662.05
  5. Step 5: Solve for x
    x = 16,578,845,662.05/162,730.97
  6. Step 6: Final answer
    x = 101,878.86

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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.