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Finding the Fourth Proportional to 159,563.87, 239,345.80 and 48,754.91

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Solution

The fourth proportional to 159,563.87, 239,345.80 and 48,754.91 is: 73,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,563.87 : 239,345.80 = 48,754.91 : x
  2. Step 2: Convert to fraction form
    159,563.87/239,345.80 = 48,754.91/x
  3. Step 3: Cross multiply
    159,563.87x = 239,345.80 × 48,754.91
  4. Step 4: Simplify right side
    159,563.87x = 11,669,281,741.15
  5. Step 5: Solve for x
    x = 11,669,281,741.15/159,563.87
  6. Step 6: Final answer
    x = 73,132.36

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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.