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Finding the Fourth Proportional to 177,648.78, 245,144.91 and 97,076.94

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Solution

The fourth proportional to 177,648.78, 245,144.91 and 97,076.94 is: 133,960.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,648.78 : 245,144.91 = 97,076.94 : x
  2. Step 2: Convert to fraction form
    177,648.78/245,144.91 = 97,076.94/x
  3. Step 3: Cross multiply
    177,648.78x = 245,144.91 × 97,076.94
  4. Step 4: Simplify right side
    177,648.78x = 23,797,917,719.38
  5. Step 5: Solve for x
    x = 23,797,917,719.38/177,648.78
  6. Step 6: Final answer
    x = 133,960.49

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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.