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Finding the Fourth Proportional to 135,883.74, 202,910.55 and 110,973.21

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Solution

The fourth proportional to 135,883.74, 202,910.55 and 110,973.21 is: 165,712.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,883.74 : 202,910.55 = 110,973.21 : x
  2. Step 2: Convert to fraction form
    135,883.74/202,910.55 = 110,973.21/x
  3. Step 3: Cross multiply
    135,883.74x = 202,910.55 × 110,973.21
  4. Step 4: Simplify right side
    135,883.74x = 22,517,635,076.37
  5. Step 5: Solve for x
    x = 22,517,635,076.37/135,883.74
  6. Step 6: Final answer
    x = 165,712.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.