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Finding the Fourth Proportional to 218,597.06, 301,664.62 and 126,734.24

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Solution

The fourth proportional to 218,597.06, 301,664.62 and 126,734.24 is: 174,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,597.06 : 301,664.62 = 126,734.24 : x
  2. Step 2: Convert to fraction form
    218,597.06/301,664.62 = 126,734.24/x
  3. Step 3: Cross multiply
    218,597.06x = 301,664.62 × 126,734.24
  4. Step 4: Simplify right side
    218,597.06x = 38,231,236,350.59
  5. Step 5: Solve for x
    x = 38,231,236,350.59/218,597.06
  6. Step 6: Final answer
    x = 174,893.64

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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.