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Finding the Fourth Proportional to 159,741.02, 239,521.62 and 53,067.88

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Solution

The fourth proportional to 159,741.02, 239,521.62 and 53,067.88 is: 79,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,741.02 : 239,521.62 = 53,067.88 : x
  2. Step 2: Convert to fraction form
    159,741.02/239,521.62 = 53,067.88/x
  3. Step 3: Cross multiply
    159,741.02x = 239,521.62 × 53,067.88
  4. Step 4: Simplify right side
    159,741.02x = 12,710,903,389.96
  5. Step 5: Solve for x
    x = 12,710,903,389.96/159,741.02
  6. Step 6: Final answer
    x = 79,571.94

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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.