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Finding the Fourth Proportional to 101,136.60, 151,704.90 and 34,578.90

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Solution

The fourth proportional to 101,136.60, 151,704.90 and 34,578.90 is: 51,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,136.60 : 151,704.90 = 34,578.90 : x
  2. Step 2: Convert to fraction form
    101,136.60/151,704.90 = 34,578.90/x
  3. Step 3: Cross multiply
    101,136.60x = 151,704.90 × 34,578.90
  4. Step 4: Simplify right side
    101,136.60x = 5,245,788,566.61
  5. Step 5: Solve for x
    x = 5,245,788,566.61/101,136.60
  6. Step 6: Final answer
    x = 51,868.35

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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.