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Finding the Fourth Proportional to 101,997.90, 152,996.85 and 75,753.90

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Solution

The fourth proportional to 101,997.90, 152,996.85 and 75,753.90 is: 113,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,997.90 : 152,996.85 = 75,753.90 : x
  2. Step 2: Convert to fraction form
    101,997.90/152,996.85 = 75,753.90/x
  3. Step 3: Cross multiply
    101,997.90x = 152,996.85 × 75,753.90
  4. Step 4: Simplify right side
    101,997.90x = 11,590,108,075.22
  5. Step 5: Solve for x
    x = 11,590,108,075.22/101,997.90
  6. Step 6: Final answer
    x = 113,630.85

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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.