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Finding the Fourth Proportional to 133,672.59, 200,511.48 and 49,389.26

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Solution

The fourth proportional to 133,672.59, 200,511.48 and 49,389.26 is: 74,084.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,672.59 : 200,511.48 = 49,389.26 : x
  2. Step 2: Convert to fraction form
    133,672.59/200,511.48 = 49,389.26/x
  3. Step 3: Cross multiply
    133,672.59x = 200,511.48 × 49,389.26
  4. Step 4: Simplify right side
    133,672.59x = 9,903,112,616.15
  5. Step 5: Solve for x
    x = 9,903,112,616.15/133,672.59
  6. Step 6: Final answer
    x = 74,084.84

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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.