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Finding the Fourth Proportional to 94,440.80, 142,006.80 and 79,234.40

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Solution

The fourth proportional to 94,440.80, 142,006.80 and 79,234.40 is: 119,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,440.80 : 142,006.80 = 79,234.40 : x
  2. Step 2: Convert to fraction form
    94,440.80/142,006.80 = 79,234.40/x
  3. Step 3: Cross multiply
    94,440.80x = 142,006.80 × 79,234.40
  4. Step 4: Simplify right side
    94,440.80x = 11,251,823,593.92
  5. Step 5: Solve for x
    x = 11,251,823,593.92/94,440.80
  6. Step 6: Final answer
    x = 119,141.55

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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.