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Finding the Fourth Proportional to 197,773.80, 296,726.32 and 79,384.20

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Solution

The fourth proportional to 197,773.80, 296,726.32 and 79,384.20 is: 119,102.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,773.80 : 296,726.32 = 79,384.20 : x
  2. Step 2: Convert to fraction form
    197,773.80/296,726.32 = 79,384.20/x
  3. Step 3: Cross multiply
    197,773.80x = 296,726.32 × 79,384.20
  4. Step 4: Simplify right side
    197,773.80x = 23,555,381,532.14
  5. Step 5: Solve for x
    x = 23,555,381,532.14/197,773.80
  6. Step 6: Final answer
    x = 119,102.64

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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.