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Finding the Fourth Proportional to 101,944.07, 140,682.81 and 57,232.07

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Solution

The fourth proportional to 101,944.07, 140,682.81 and 57,232.07 is: 78,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,944.07 : 140,682.81 = 57,232.07 : x
  2. Step 2: Convert to fraction form
    101,944.07/140,682.81 = 57,232.07/x
  3. Step 3: Cross multiply
    101,944.07x = 140,682.81 × 57,232.07
  4. Step 4: Simplify right side
    101,944.07x = 8,051,568,429.72
  5. Step 5: Solve for x
    x = 8,051,568,429.72/101,944.07
  6. Step 6: Final answer
    x = 78,980.25

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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.