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Finding the Fourth Proportional to 159,788.74, 239,673.70 and 59,940.57

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Solution

The fourth proportional to 159,788.74, 239,673.70 and 59,940.57 is: 89,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,788.74 : 239,673.70 = 59,940.57 : x
  2. Step 2: Convert to fraction form
    159,788.74/239,673.70 = 59,940.57/x
  3. Step 3: Cross multiply
    159,788.74x = 239,673.70 × 59,940.57
  4. Step 4: Simplify right side
    159,788.74x = 14,366,178,192.01
  5. Step 5: Solve for x
    x = 14,366,178,192.01/159,788.74
  6. Step 6: Final answer
    x = 89,907.33

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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.