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Finding the Fourth Proportional to 177,551.06, 245,019 and 96,978.63

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Solution

The fourth proportional to 177,551.06, 245,019 and 96,978.63 is: 133,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,551.06 : 245,019 = 96,978.63 : x
  2. Step 2: Convert to fraction form
    177,551.06/245,019 = 96,978.63/x
  3. Step 3: Cross multiply
    177,551.06x = 245,019 × 96,978.63
  4. Step 4: Simplify right side
    177,551.06x = 23,761,606,943.97
  5. Step 5: Solve for x
    x = 23,761,606,943.97/177,551.06
  6. Step 6: Final answer
    x = 133,829.71

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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.