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Finding the Fourth Proportional to 177,072, 244,362.88 and 96,499.20

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Solution

The fourth proportional to 177,072, 244,362.88 and 96,499.20 is: 133,170.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,072 : 244,362.88 = 96,499.20 : x
  2. Step 2: Convert to fraction form
    177,072/244,362.88 = 96,499.20/x
  3. Step 3: Cross multiply
    177,072x = 244,362.88 × 96,499.20
  4. Step 4: Simplify right side
    177,072x = 23,580,822,429.70
  5. Step 5: Solve for x
    x = 23,580,822,429.70/177,072
  6. Step 6: Final answer
    x = 133,170.81

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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.