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Finding the Fourth Proportional to 159,763.17, 239,650.83 and 53,156.64

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Solution

The fourth proportional to 159,763.17, 239,650.83 and 53,156.64 is: 79,736.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,763.17 : 239,650.83 = 53,156.64 : x
  2. Step 2: Convert to fraction form
    159,763.17/239,650.83 = 53,156.64/x
  3. Step 3: Cross multiply
    159,763.17x = 239,650.83 × 53,156.64
  4. Step 4: Simplify right side
    159,763.17x = 12,739,032,896.01
  5. Step 5: Solve for x
    x = 12,739,032,896.01/159,763.17
  6. Step 6: Final answer
    x = 79,736.98

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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.