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Finding the Fourth Proportional to 99,704.70, 149,192.55 and 73,460.70

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Solution

The fourth proportional to 99,704.70, 149,192.55 and 73,460.70 is: 109,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,704.70 : 149,192.55 = 73,460.70 : x
  2. Step 2: Convert to fraction form
    99,704.70/149,192.55 = 73,460.70/x
  3. Step 3: Cross multiply
    99,704.70x = 149,192.55 × 73,460.70
  4. Step 4: Simplify right side
    99,704.70x = 10,959,789,157.79
  5. Step 5: Solve for x
    x = 10,959,789,157.79/99,704.70
  6. Step 6: Final answer
    x = 109,922.49

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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.