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Finding the Fourth Proportional to 101,936.74, 140,674.44 and 55,998.32

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Solution

The fourth proportional to 101,936.74, 140,674.44 and 55,998.32 is: 77,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,936.74 : 140,674.44 = 55,998.32 : x
  2. Step 2: Convert to fraction form
    101,936.74/140,674.44 = 55,998.32/x
  3. Step 3: Cross multiply
    101,936.74x = 140,674.44 × 55,998.32
  4. Step 4: Simplify right side
    101,936.74x = 7,877,532,306.94
  5. Step 5: Solve for x
    x = 7,877,532,306.94/101,936.74
  6. Step 6: Final answer
    x = 77,278.64

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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.