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Finding the Fourth Proportional to 101,608.77, 140,214.09 and 55,659.27

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Solution

The fourth proportional to 101,608.77, 140,214.09 and 55,659.27 is: 76,806.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,608.77 : 140,214.09 = 55,659.27 : x
  2. Step 2: Convert to fraction form
    101,608.77/140,214.09 = 55,659.27/x
  3. Step 3: Cross multiply
    101,608.77x = 140,214.09 × 55,659.27
  4. Step 4: Simplify right side
    101,608.77x = 7,804,213,614.82
  5. Step 5: Solve for x
    x = 7,804,213,614.82/101,608.77
  6. Step 6: Final answer
    x = 76,806.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.