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Finding the Fourth Proportional to 133,726.60, 200,589.90 and 129,838.60

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Solution

The fourth proportional to 133,726.60, 200,589.90 and 129,838.60 is: 194,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,726.60 : 200,589.90 = 129,838.60 : x
  2. Step 2: Convert to fraction form
    133,726.60/200,589.90 = 129,838.60/x
  3. Step 3: Cross multiply
    133,726.60x = 200,589.90 × 129,838.60
  4. Step 4: Simplify right side
    133,726.60x = 26,044,311,790.14
  5. Step 5: Solve for x
    x = 26,044,311,790.14/133,726.60
  6. Step 6: Final answer
    x = 194,757.90

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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.