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Finding the Fourth Proportional to 159,209.99, 238,728.51 and 79,072.13

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Solution

The fourth proportional to 159,209.99, 238,728.51 and 79,072.13 is: 118,565.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,209.99 : 238,728.51 = 79,072.13 : x
  2. Step 2: Convert to fraction form
    159,209.99/238,728.51 = 79,072.13/x
  3. Step 3: Cross multiply
    159,209.99x = 238,728.51 × 79,072.13
  4. Step 4: Simplify right side
    159,209.99x = 18,876,770,583.78
  5. Step 5: Solve for x
    x = 18,876,770,583.78/159,209.99
  6. Step 6: Final answer
    x = 118,565.24

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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.