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Finding the Fourth Proportional to 251,670.60, 377,943.30 and 133,572.60

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Solution

The fourth proportional to 251,670.60, 377,943.30 and 133,572.60 is: 200,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,670.60 : 377,943.30 = 133,572.60 : x
  2. Step 2: Convert to fraction form
    251,670.60/377,943.30 = 133,572.60/x
  3. Step 3: Cross multiply
    251,670.60x = 377,943.30 × 133,572.60
  4. Step 4: Simplify right side
    251,670.60x = 50,482,869,233.58
  5. Step 5: Solve for x
    x = 50,482,869,233.58/251,670.60
  6. Step 6: Final answer
    x = 200,591.05

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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.