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Finding the Fourth Proportional to 248,172.20, 372,252.52 and 79,692.20

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Solution

The fourth proportional to 248,172.20, 372,252.52 and 79,692.20 is: 119,536.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,172.20 : 372,252.52 = 79,692.20 : x
  2. Step 2: Convert to fraction form
    248,172.20/372,252.52 = 79,692.20/x
  3. Step 3: Cross multiply
    248,172.20x = 372,252.52 × 79,692.20
  4. Step 4: Simplify right side
    248,172.20x = 29,665,622,274.34
  5. Step 5: Solve for x
    x = 29,665,622,274.34/248,172.20
  6. Step 6: Final answer
    x = 119,536.44

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1.5x scale

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.