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Finding the Fourth Proportional to 73,267.88, 101,109.87 and 39,733.88

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Solution

The fourth proportional to 73,267.88, 101,109.87 and 39,733.88 is: 54,832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,267.88 : 101,109.87 = 39,733.88 : x
  2. Step 2: Convert to fraction form
    73,267.88/101,109.87 = 39,733.88/x
  3. Step 3: Cross multiply
    73,267.88x = 101,109.87 × 39,733.88
  4. Step 4: Simplify right side
    73,267.88x = 4,017,486,935.85
  5. Step 5: Solve for x
    x = 4,017,486,935.85/73,267.88
  6. Step 6: Final answer
    x = 54,832.86

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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.