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Finding the Fourth Proportional to 180,539.68, 248,883.60 and 126,657.76

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Solution

The fourth proportional to 180,539.68, 248,883.60 and 126,657.76 is: 174,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,539.68 : 248,883.60 = 126,657.76 : x
  2. Step 2: Convert to fraction form
    180,539.68/248,883.60 = 126,657.76/x
  3. Step 3: Cross multiply
    180,539.68x = 248,883.60 × 126,657.76
  4. Step 4: Simplify right side
    180,539.68x = 31,523,039,276.74
  5. Step 5: Solve for x
    x = 31,523,039,276.74/180,539.68
  6. Step 6: Final answer
    x = 174,604.49

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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.