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Finding the Fourth Proportional to 118,789.93, 178,184.90 and 95,369.59

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Solution

The fourth proportional to 118,789.93, 178,184.90 and 95,369.59 is: 143,054.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,789.93 : 178,184.90 = 95,369.59 : x
  2. Step 2: Convert to fraction form
    118,789.93/178,184.90 = 95,369.59/x
  3. Step 3: Cross multiply
    118,789.93x = 178,184.90 × 95,369.59
  4. Step 4: Simplify right side
    118,789.93x = 16,993,420,857.19
  5. Step 5: Solve for x
    x = 16,993,420,857.19/118,789.93
  6. Step 6: Final answer
    x = 143,054.39

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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.