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Finding the Fourth Proportional to 73,658.92, 101,631.62 and 43,441.80

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Solution

The fourth proportional to 73,658.92, 101,631.62 and 43,441.80 is: 59,939.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,658.92 : 101,631.62 = 43,441.80 : x
  2. Step 2: Convert to fraction form
    73,658.92/101,631.62 = 43,441.80/x
  3. Step 3: Cross multiply
    73,658.92x = 101,631.62 × 43,441.80
  4. Step 4: Simplify right side
    73,658.92x = 4,415,060,509.72
  5. Step 5: Solve for x
    x = 4,415,060,509.72/73,658.92
  6. Step 6: Final answer
    x = 59,939.25

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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.