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Finding the Fourth Proportional to 133,941.61, 200,772.68 and 45,164.60

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Solution

The fourth proportional to 133,941.61, 200,772.68 and 45,164.60 is: 67,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,941.61 : 200,772.68 = 45,164.60 : x
  2. Step 2: Convert to fraction form
    133,941.61/200,772.68 = 45,164.60/x
  3. Step 3: Cross multiply
    133,941.61x = 200,772.68 × 45,164.60
  4. Step 4: Simplify right side
    133,941.61x = 9,067,816,892.18
  5. Step 5: Solve for x
    x = 9,067,816,892.18/133,941.61
  6. Step 6: Final answer
    x = 67,699.78

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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.