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Finding the Fourth Proportional to 73,323.38, 109,812.78 and 35,765.79

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Solution

The fourth proportional to 73,323.38, 109,812.78 and 35,765.79 is: 53,564.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,323.38 : 109,812.78 = 35,765.79 : x
  2. Step 2: Convert to fraction form
    73,323.38/109,812.78 = 35,765.79/x
  3. Step 3: Cross multiply
    73,323.38x = 109,812.78 × 35,765.79
  4. Step 4: Simplify right side
    73,323.38x = 3,927,540,828.80
  5. Step 5: Solve for x
    x = 3,927,540,828.80/73,323.38
  6. Step 6: Final answer
    x = 53,564.65

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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.