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Finding the Fourth Proportional to 214,236.70, 295,655.97 and 118,743.47

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Solution

The fourth proportional to 214,236.70, 295,655.97 and 118,743.47 is: 163,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,236.70 : 295,655.97 = 118,743.47 : x
  2. Step 2: Convert to fraction form
    214,236.70/295,655.97 = 118,743.47/x
  3. Step 3: Cross multiply
    214,236.70x = 295,655.97 × 118,743.47
  4. Step 4: Simplify right side
    214,236.70x = 35,107,215,879.73
  5. Step 5: Solve for x
    x = 35,107,215,879.73/214,236.70
  6. Step 6: Final answer
    x = 163,871.16

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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.