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Finding the Fourth Proportional to 159,383.82, 238,925.44 and 79,346.16

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Solution

The fourth proportional to 159,383.82, 238,925.44 and 79,346.16 is: 118,944.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,383.82 : 238,925.44 = 79,346.16 : x
  2. Step 2: Convert to fraction form
    159,383.82/238,925.44 = 79,346.16/x
  3. Step 3: Cross multiply
    159,383.82x = 238,925.44 × 79,346.16
  4. Step 4: Simplify right side
    159,383.82x = 18,957,816,190.31
  5. Step 5: Solve for x
    x = 18,957,816,190.31/159,383.82
  6. Step 6: Final answer
    x = 118,944.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.