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Finding the Fourth Proportional to 73,432.50, 101,336.85 and 43,624.50

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Solution

The fourth proportional to 73,432.50, 101,336.85 and 43,624.50 is: 60,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,432.50 : 101,336.85 = 43,624.50 : x
  2. Step 2: Convert to fraction form
    73,432.50/101,336.85 = 43,624.50/x
  3. Step 3: Cross multiply
    73,432.50x = 101,336.85 × 43,624.50
  4. Step 4: Simplify right side
    73,432.50x = 4,420,769,412.83
  5. Step 5: Solve for x
    x = 4,420,769,412.83/73,432.50
  6. Step 6: Final answer
    x = 60,201.81

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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.