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Finding the Fourth Proportional to 227,772.20, 341,658.30 and 129,468.20

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Solution

The fourth proportional to 227,772.20, 341,658.30 and 129,468.20 is: 194,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,772.20 : 341,658.30 = 129,468.20 : x
  2. Step 2: Convert to fraction form
    227,772.20/341,658.30 = 129,468.20/x
  3. Step 3: Cross multiply
    227,772.20x = 341,658.30 × 129,468.20
  4. Step 4: Simplify right side
    227,772.20x = 44,233,885,116.06
  5. Step 5: Solve for x
    x = 44,233,885,116.06/227,772.20
  6. Step 6: Final answer
    x = 194,202.30

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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.