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Finding the Fourth Proportional to 159,551.57, 239,242.68 and 47,216.32

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Solution

The fourth proportional to 159,551.57, 239,242.68 and 47,216.32 is: 70,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,551.57 : 239,242.68 = 47,216.32 : x
  2. Step 2: Convert to fraction form
    159,551.57/239,242.68 = 47,216.32/x
  3. Step 3: Cross multiply
    159,551.57x = 239,242.68 × 47,216.32
  4. Step 4: Simplify right side
    159,551.57x = 11,296,158,338.43
  5. Step 5: Solve for x
    x = 11,296,158,338.43/159,551.57
  6. Step 6: Final answer
    x = 70,799.42

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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.