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Finding the Fourth Proportional to 159,716.99, 239,523.62 and 53,072.30

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Solution

The fourth proportional to 159,716.99, 239,523.62 and 53,072.30 is: 79,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,716.99 : 239,523.62 = 53,072.30 : x
  2. Step 2: Convert to fraction form
    159,716.99/239,523.62 = 53,072.30/x
  3. Step 3: Cross multiply
    159,716.99x = 239,523.62 × 53,072.30
  4. Step 4: Simplify right side
    159,716.99x = 12,712,069,417.73
  5. Step 5: Solve for x
    x = 12,712,069,417.73/159,716.99
  6. Step 6: Final answer
    x = 79,591.22

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1.5x scale

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.