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Finding the Fourth Proportional to 60,954.45, 84,124.12 and 34,103.76

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Solution

The fourth proportional to 60,954.45, 84,124.12 and 34,103.76 is: 47,067.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,954.45 : 84,124.12 = 34,103.76 : x
  2. Step 2: Convert to fraction form
    60,954.45/84,124.12 = 34,103.76/x
  3. Step 3: Cross multiply
    60,954.45x = 84,124.12 × 34,103.76
  4. Step 4: Simplify right side
    60,954.45x = 2,868,948,798.69
  5. Step 5: Solve for x
    x = 2,868,948,798.69/60,954.45
  6. Step 6: Final answer
    x = 47,067.09

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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.