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Finding the Fourth Proportional to 204,670.60, 282,294.54 and 136,654.90

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Solution

The fourth proportional to 204,670.60, 282,294.54 and 136,654.90 is: 188,483.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,670.60 : 282,294.54 = 136,654.90 : x
  2. Step 2: Convert to fraction form
    204,670.60/282,294.54 = 136,654.90/x
  3. Step 3: Cross multiply
    204,670.60x = 282,294.54 × 136,654.90
  4. Step 4: Simplify right side
    204,670.60x = 38,576,932,134.25
  5. Step 5: Solve for x
    x = 38,576,932,134.25/204,670.60
  6. Step 6: Final answer
    x = 188,483.02

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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.