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Finding the Fourth Proportional to 159,888.39, 239,790.83 and 47,538.36

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Solution

The fourth proportional to 159,888.39, 239,790.83 and 47,538.36 is: 71,295.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,888.39 : 239,790.83 = 47,538.36 : x
  2. Step 2: Convert to fraction form
    159,888.39/239,790.83 = 47,538.36/x
  3. Step 3: Cross multiply
    159,888.39x = 239,790.83 × 47,538.36
  4. Step 4: Simplify right side
    159,888.39x = 11,399,262,563.55
  5. Step 5: Solve for x
    x = 11,399,262,563.55/159,888.39
  6. Step 6: Final answer
    x = 71,295.12

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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.