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Finding the Fourth Proportional to 67,922.10, 101,883.15 and 61,689.15

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Solution

The fourth proportional to 67,922.10, 101,883.15 and 61,689.15 is: 92,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,922.10 : 101,883.15 = 61,689.15 : x
  2. Step 2: Convert to fraction form
    67,922.10/101,883.15 = 61,689.15/x
  3. Step 3: Cross multiply
    67,922.10x = 101,883.15 × 61,689.15
  4. Step 4: Simplify right side
    67,922.10x = 6,285,084,922.82
  5. Step 5: Solve for x
    x = 6,285,084,922.82/67,922.10
  6. Step 6: Final answer
    x = 92,533.73

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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.