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Finding the Fourth Proportional to 101,956.33, 140,643.06 and 94,739.86

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Solution

The fourth proportional to 101,956.33, 140,643.06 and 94,739.86 is: 130,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,956.33 : 140,643.06 = 94,739.86 : x
  2. Step 2: Convert to fraction form
    101,956.33/140,643.06 = 94,739.86/x
  3. Step 3: Cross multiply
    101,956.33x = 140,643.06 × 94,739.86
  4. Step 4: Simplify right side
    101,956.33x = 13,324,503,814.37
  5. Step 5: Solve for x
    x = 13,324,503,814.37/101,956.33
  6. Step 6: Final answer
    x = 130,688.34

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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.