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Finding the Fourth Proportional to 101,201.01, 151,640.73 and 67,798.23

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Solution

The fourth proportional to 101,201.01, 151,640.73 and 67,798.23 is: 101,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,201.01 : 151,640.73 = 67,798.23 : x
  2. Step 2: Convert to fraction form
    101,201.01/151,640.73 = 67,798.23/x
  3. Step 3: Cross multiply
    101,201.01x = 151,640.73 × 67,798.23
  4. Step 4: Simplify right side
    101,201.01x = 10,280,973,089.91
  5. Step 5: Solve for x
    x = 10,280,973,089.91/101,201.01
  6. Step 6: Final answer
    x = 101,589.63

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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.