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Finding the Fourth Proportional to 99,361.70, 148,991.35 and 37,000.10

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Solution

The fourth proportional to 99,361.70, 148,991.35 and 37,000.10 is: 55,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,361.70 : 148,991.35 = 37,000.10 : x
  2. Step 2: Convert to fraction form
    99,361.70/148,991.35 = 37,000.10/x
  3. Step 3: Cross multiply
    99,361.70x = 148,991.35 × 37,000.10
  4. Step 4: Simplify right side
    99,361.70x = 5,512,694,849.14
  5. Step 5: Solve for x
    x = 5,512,694,849.14/99,361.70
  6. Step 6: Final answer
    x = 55,481.08

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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.