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Finding the Fourth Proportional to 133,391.55, 200,097.86 and 44,645.39

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Solution

The fourth proportional to 133,391.55, 200,097.86 and 44,645.39 is: 66,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,391.55 : 200,097.86 = 44,645.39 : x
  2. Step 2: Convert to fraction form
    133,391.55/200,097.86 = 44,645.39/x
  3. Step 3: Cross multiply
    133,391.55x = 200,097.86 × 44,645.39
  4. Step 4: Simplify right side
    133,391.55x = 8,933,445,774.15
  5. Step 5: Solve for x
    x = 8,933,445,774.15/133,391.55
  6. Step 6: Final answer
    x = 66,971.60

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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.