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Finding the Fourth Proportional to 92,167.30, 138,121.08 and 73,363.69

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Solution

The fourth proportional to 92,167.30, 138,121.08 and 73,363.69 is: 109,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,167.30 : 138,121.08 = 73,363.69 : x
  2. Step 2: Convert to fraction form
    92,167.30/138,121.08 = 73,363.69/x
  3. Step 3: Cross multiply
    92,167.30x = 138,121.08 × 73,363.69
  4. Step 4: Simplify right side
    92,167.30x = 10,133,072,095.59
  5. Step 5: Solve for x
    x = 10,133,072,095.59/92,167.30
  6. Step 6: Final answer
    x = 109,942.16

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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.