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Finding the Fourth Proportional to 171,951.12, 237,315.72 and 96,503.76

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Solution

The fourth proportional to 171,951.12, 237,315.72 and 96,503.76 is: 133,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,951.12 : 237,315.72 = 96,503.76 : x
  2. Step 2: Convert to fraction form
    171,951.12/237,315.72 = 96,503.76/x
  3. Step 3: Cross multiply
    171,951.12x = 237,315.72 × 96,503.76
  4. Step 4: Simplify right side
    171,951.12x = 22,901,859,287.11
  5. Step 5: Solve for x
    x = 22,901,859,287.11/171,951.12
  6. Step 6: Final answer
    x = 133,188.19

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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.