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Finding the Fourth Proportional to 62,155.81, 93,241.85 and 22,731.49

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Solution

The fourth proportional to 62,155.81, 93,241.85 and 22,731.49 is: 34,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,155.81 : 93,241.85 = 22,731.49 : x
  2. Step 2: Convert to fraction form
    62,155.81/93,241.85 = 22,731.49/x
  3. Step 3: Cross multiply
    62,155.81x = 93,241.85 × 22,731.49
  4. Step 4: Simplify right side
    62,155.81x = 2,119,526,067.20
  5. Step 5: Solve for x
    x = 2,119,526,067.20/62,155.81
  6. Step 6: Final answer
    x = 34,100.21

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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.