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Finding the Fourth Proportional to 201,610.42, 302,452.08 and 68,478.62

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Solution

The fourth proportional to 201,610.42, 302,452.08 and 68,478.62 is: 102,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,610.42 : 302,452.08 = 68,478.62 : x
  2. Step 2: Convert to fraction form
    201,610.42/302,452.08 = 68,478.62/x
  3. Step 3: Cross multiply
    201,610.42x = 302,452.08 × 68,478.62
  4. Step 4: Simplify right side
    201,610.42x = 20,711,499,285.47
  5. Step 5: Solve for x
    x = 20,711,499,285.47/201,610.42
  6. Step 6: Final answer
    x = 102,730.30

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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.