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Finding the Fourth Proportional to 67,379.30, 101,068.95 and 61,936.10

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Solution

The fourth proportional to 67,379.30, 101,068.95 and 61,936.10 is: 92,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,379.30 : 101,068.95 = 61,936.10 : x
  2. Step 2: Convert to fraction form
    67,379.30/101,068.95 = 61,936.10/x
  3. Step 3: Cross multiply
    67,379.30x = 101,068.95 × 61,936.10
  4. Step 4: Simplify right side
    67,379.30x = 6,259,816,594.10
  5. Step 5: Solve for x
    x = 6,259,816,594.10/67,379.30
  6. Step 6: Final answer
    x = 92,904.15

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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.