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Finding the Fourth Proportional to 133,078.45, 199,635.90 and 44,322.70

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Solution

The fourth proportional to 133,078.45, 199,635.90 and 44,322.70 is: 66,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,078.45 : 199,635.90 = 44,322.70 : x
  2. Step 2: Convert to fraction form
    133,078.45/199,635.90 = 44,322.70/x
  3. Step 3: Cross multiply
    133,078.45x = 199,635.90 × 44,322.70
  4. Step 4: Simplify right side
    133,078.45x = 8,848,402,104.93
  5. Step 5: Solve for x
    x = 8,848,402,104.93/133,078.45
  6. Step 6: Final answer
    x = 66,490.12

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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.