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Finding the Fourth Proportional to 72,606.45, 108,923.28 and 32,624.45

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Solution

The fourth proportional to 72,606.45, 108,923.28 and 32,624.45 is: 48,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,606.45 : 108,923.28 = 32,624.45 : x
  2. Step 2: Convert to fraction form
    72,606.45/108,923.28 = 32,624.45/x
  3. Step 3: Cross multiply
    72,606.45x = 108,923.28 × 32,624.45
  4. Step 4: Simplify right side
    72,606.45x = 3,553,562,102.20
  5. Step 5: Solve for x
    x = 3,553,562,102.20/72,606.45
  6. Step 6: Final answer
    x = 48,942.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.