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Finding the Fourth Proportional to 118,884.79, 178,350.53 and 44,005.55

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Solution

The fourth proportional to 118,884.79, 178,350.53 and 44,005.55 is: 66,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,884.79 : 178,350.53 = 44,005.55 : x
  2. Step 2: Convert to fraction form
    118,884.79/178,350.53 = 44,005.55/x
  3. Step 3: Cross multiply
    118,884.79x = 178,350.53 × 44,005.55
  4. Step 4: Simplify right side
    118,884.79x = 7,848,413,929.79
  5. Step 5: Solve for x
    x = 7,848,413,929.79/118,884.79
  6. Step 6: Final answer
    x = 66,016.97

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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.