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Finding the Fourth Proportional to 73,789.01, 101,828.35 and 41,957.90

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Solution

The fourth proportional to 73,789.01, 101,828.35 and 41,957.90 is: 57,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,789.01 : 101,828.35 = 41,957.90 : x
  2. Step 2: Convert to fraction form
    73,789.01/101,828.35 = 41,957.90/x
  3. Step 3: Cross multiply
    73,789.01x = 101,828.35 × 41,957.90
  4. Step 4: Simplify right side
    73,789.01x = 4,272,503,876.14
  5. Step 5: Solve for x
    x = 4,272,503,876.14/73,789.01
  6. Step 6: Final answer
    x = 57,901.63

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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.