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Finding the Fourth Proportional to 73,775.81, 110,698.73 and 38,230.49

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Solution

The fourth proportional to 73,775.81, 110,698.73 and 38,230.49 is: 57,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,775.81 : 110,698.73 = 38,230.49 : x
  2. Step 2: Convert to fraction form
    73,775.81/110,698.73 = 38,230.49/x
  3. Step 3: Cross multiply
    73,775.81x = 110,698.73 × 38,230.49
  4. Step 4: Simplify right side
    73,775.81x = 4,232,065,945.63
  5. Step 5: Solve for x
    x = 4,232,065,945.63/73,775.81
  6. Step 6: Final answer
    x = 57,363.87

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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.