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Finding the Fourth Proportional to 73,777.98, 101,789.55 and 43,553.10

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Solution

The fourth proportional to 73,777.98, 101,789.55 and 43,553.10 is: 60,089.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,777.98 : 101,789.55 = 43,553.10 : x
  2. Step 2: Convert to fraction form
    73,777.98/101,789.55 = 43,553.10/x
  3. Step 3: Cross multiply
    73,777.98x = 101,789.55 × 43,553.10
  4. Step 4: Simplify right side
    73,777.98x = 4,433,250,450.11
  5. Step 5: Solve for x
    x = 4,433,250,450.11/73,777.98
  6. Step 6: Final answer
    x = 60,089.07

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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.