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Finding the Fourth Proportional to 176,961.61, 244,212.66 and 96,391.72

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Solution

The fourth proportional to 176,961.61, 244,212.66 and 96,391.72 is: 133,023.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,961.61 : 244,212.66 = 96,391.72 : x
  2. Step 2: Convert to fraction form
    176,961.61/244,212.66 = 96,391.72/x
  3. Step 3: Cross multiply
    176,961.61x = 244,212.66 × 96,391.72
  4. Step 4: Simplify right side
    176,961.61x = 23,540,076,640.15
  5. Step 5: Solve for x
    x = 23,540,076,640.15/176,961.61
  6. Step 6: Final answer
    x = 133,023.64

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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.