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Finding the Fourth Proportional to 159,886.85, 239,811.17 and 124,383.60

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Solution

The fourth proportional to 159,886.85, 239,811.17 and 124,383.60 is: 186,560.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,886.85 : 239,811.17 = 124,383.60 : x
  2. Step 2: Convert to fraction form
    159,886.85/239,811.17 = 124,383.60/x
  3. Step 3: Cross multiply
    159,886.85x = 239,811.17 × 124,383.60
  4. Step 4: Simplify right side
    159,886.85x = 29,828,576,022.89
  5. Step 5: Solve for x
    x = 29,828,576,022.89/159,886.85
  6. Step 6: Final answer
    x = 186,560.54

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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.