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Finding the Fourth Proportional to 133,882.58, 200,683.76 and 45,105.40

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Solution

The fourth proportional to 133,882.58, 200,683.76 and 45,105.40 is: 67,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,882.58 : 200,683.76 = 45,105.40 : x
  2. Step 2: Convert to fraction form
    133,882.58/200,683.76 = 45,105.40/x
  3. Step 3: Cross multiply
    133,882.58x = 200,683.76 × 45,105.40
  4. Step 4: Simplify right side
    133,882.58x = 9,051,921,268.30
  5. Step 5: Solve for x
    x = 9,051,921,268.30/133,882.58
  6. Step 6: Final answer
    x = 67,610.90

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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.