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Finding the Fourth Proportional to 368,375.55, 552,563.34 and 102,136.07

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Solution

The fourth proportional to 368,375.55, 552,563.34 and 102,136.07 is: 153,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,375.55 : 552,563.34 = 102,136.07 : x
  2. Step 2: Convert to fraction form
    368,375.55/552,563.34 = 102,136.07/x
  3. Step 3: Cross multiply
    368,375.55x = 552,563.34 × 102,136.07
  4. Step 4: Simplify right side
    368,375.55x = 56,436,647,973.67
  5. Step 5: Solve for x
    x = 56,436,647,973.67/368,375.55
  6. Step 6: Final answer
    x = 153,204.11

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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.