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Finding the Fourth Proportional to 177,656.98, 245,180.60 and 101,179.30

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Solution

The fourth proportional to 177,656.98, 245,180.60 and 101,179.30 is: 139,635.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,656.98 : 245,180.60 = 101,179.30 : x
  2. Step 2: Convert to fraction form
    177,656.98/245,180.60 = 101,179.30/x
  3. Step 3: Cross multiply
    177,656.98x = 245,180.60 × 101,179.30
  4. Step 4: Simplify right side
    177,656.98x = 24,807,201,481.58
  5. Step 5: Solve for x
    x = 24,807,201,481.58/177,656.98
  6. Step 6: Final answer
    x = 139,635.39

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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.