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Finding the Fourth Proportional to 159,860.84, 239,785.56 and 39,918.46

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Solution

The fourth proportional to 159,860.84, 239,785.56 and 39,918.46 is: 59,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,860.84 : 239,785.56 = 39,918.46 : x
  2. Step 2: Convert to fraction form
    159,860.84/239,785.56 = 39,918.46/x
  3. Step 3: Cross multiply
    159,860.84x = 239,785.56 × 39,918.46
  4. Step 4: Simplify right side
    159,860.84x = 9,571,870,285.44
  5. Step 5: Solve for x
    x = 9,571,870,285.44/159,860.84
  6. Step 6: Final answer
    x = 59,876.27

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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.