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Finding the Fourth Proportional to 168,772.01, 253,227.90 and 73,953.20

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Solution

The fourth proportional to 168,772.01, 253,227.90 and 73,953.20 is: 110,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,772.01 : 253,227.90 = 73,953.20 : x
  2. Step 2: Convert to fraction form
    168,772.01/253,227.90 = 73,953.20/x
  3. Step 3: Cross multiply
    168,772.01x = 253,227.90 × 73,953.20
  4. Step 4: Simplify right side
    168,772.01x = 18,727,013,534.28
  5. Step 5: Solve for x
    x = 18,727,013,534.28/168,772.01
  6. Step 6: Final answer
    x = 110,960.43

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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.