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Finding the Fourth Proportional to 101,367.18, 152,012.97 and 34,788.42

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Solution

The fourth proportional to 101,367.18, 152,012.97 and 34,788.42 is: 52,169.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,367.18 : 152,012.97 = 34,788.42 : x
  2. Step 2: Convert to fraction form
    101,367.18/152,012.97 = 34,788.42/x
  3. Step 3: Cross multiply
    101,367.18x = 152,012.97 × 34,788.42
  4. Step 4: Simplify right side
    101,367.18x = 5,288,291,045.81
  5. Step 5: Solve for x
    x = 5,288,291,045.81/101,367.18
  6. Step 6: Final answer
    x = 52,169.66

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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.