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Finding the Fourth Proportional to 133,068, 183,633.96 and 73,452

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Solution

The fourth proportional to 133,068, 183,633.96 and 73,452 is: 101,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,068 : 183,633.96 = 73,452 : x
  2. Step 2: Convert to fraction form
    133,068/183,633.96 = 73,452/x
  3. Step 3: Cross multiply
    133,068x = 183,633.96 × 73,452
  4. Step 4: Simplify right side
    133,068x = 13,488,281,629.92
  5. Step 5: Solve for x
    x = 13,488,281,629.92/133,068
  6. Step 6: Final answer
    x = 101,363.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.