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Finding the Fourth Proportional to 192,202.56, 265,236.80 and 107,320.96

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Solution

The fourth proportional to 192,202.56, 265,236.80 and 107,320.96 is: 148,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,202.56 : 265,236.80 = 107,320.96 : x
  2. Step 2: Convert to fraction form
    192,202.56/265,236.80 = 107,320.96/x
  3. Step 3: Cross multiply
    192,202.56x = 265,236.80 × 107,320.96
  4. Step 4: Simplify right side
    192,202.56x = 28,465,468,003.33
  5. Step 5: Solve for x
    x = 28,465,468,003.33/192,202.56
  6. Step 6: Final answer
    x = 148,101.40

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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.