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Finding the Fourth Proportional to 159,788.76, 239,599.68 and 47,453.52

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Solution

The fourth proportional to 159,788.76, 239,599.68 and 47,453.52 is: 71,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,788.76 : 239,599.68 = 47,453.52 : x
  2. Step 2: Convert to fraction form
    159,788.76/239,599.68 = 47,453.52/x
  3. Step 3: Cross multiply
    159,788.76x = 239,599.68 × 47,453.52
  4. Step 4: Simplify right side
    159,788.76x = 11,369,848,206.87
  5. Step 5: Solve for x
    x = 11,369,848,206.87/159,788.76
  6. Step 6: Final answer
    x = 71,155.49

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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.