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Finding the Fourth Proportional to 204,840, 282,680.37 and 114,201.66

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Solution

The fourth proportional to 204,840, 282,680.37 and 114,201.66 is: 157,598.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,840 : 282,680.37 = 114,201.66 : x
  2. Step 2: Convert to fraction form
    204,840/282,680.37 = 114,201.66/x
  3. Step 3: Cross multiply
    204,840x = 282,680.37 × 114,201.66
  4. Step 4: Simplify right side
    204,840x = 32,282,567,503.41
  5. Step 5: Solve for x
    x = 32,282,567,503.41/204,840
  6. Step 6: Final answer
    x = 157,598.94

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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.