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Finding the Fourth Proportional to 206,851.08, 310,400.56 and 88,522.54

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Solution

The fourth proportional to 206,851.08, 310,400.56 and 88,522.54 is: 132,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,851.08 : 310,400.56 = 88,522.54 : x
  2. Step 2: Convert to fraction form
    206,851.08/310,400.56 = 88,522.54/x
  3. Step 3: Cross multiply
    206,851.08x = 310,400.56 × 88,522.54
  4. Step 4: Simplify right side
    206,851.08x = 27,477,445,988.62
  5. Step 5: Solve for x
    x = 27,477,445,988.62/206,851.08
  6. Step 6: Final answer
    x = 132,836.85

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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.