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Finding the Fourth Proportional to 73,198.88, 101,014.45 and 39,664.88

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Solution

The fourth proportional to 73,198.88, 101,014.45 and 39,664.88 is: 54,737.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,198.88 : 101,014.45 = 39,664.88 : x
  2. Step 2: Convert to fraction form
    73,198.88/101,014.45 = 39,664.88/x
  3. Step 3: Cross multiply
    73,198.88x = 101,014.45 × 39,664.88
  4. Step 4: Simplify right side
    73,198.88x = 4,006,725,433.28
  5. Step 5: Solve for x
    x = 4,006,725,433.28/73,198.88
  6. Step 6: Final answer
    x = 54,737.53

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1.5x scale

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.