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Finding the Fourth Proportional to 206,538.48, 309,801.24 and 58,794.48

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Solution

The fourth proportional to 206,538.48, 309,801.24 and 58,794.48 is: 88,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,538.48 : 309,801.24 = 58,794.48 : x
  2. Step 2: Convert to fraction form
    206,538.48/309,801.24 = 58,794.48/x
  3. Step 3: Cross multiply
    206,538.48x = 309,801.24 × 58,794.48
  4. Step 4: Simplify right side
    206,538.48x = 18,214,602,809.16
  5. Step 5: Solve for x
    x = 18,214,602,809.16/206,538.48
  6. Step 6: Final answer
    x = 88,189.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.