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Finding the Fourth Proportional to 201,730.70, 302,508.56 and 68,575.20

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Solution

The fourth proportional to 201,730.70, 302,508.56 and 68,575.20 is: 102,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,730.70 : 302,508.56 = 68,575.20 : x
  2. Step 2: Convert to fraction form
    201,730.70/302,508.56 = 68,575.20/x
  3. Step 3: Cross multiply
    201,730.70x = 302,508.56 × 68,575.20
  4. Step 4: Simplify right side
    201,730.70x = 20,744,585,003.71
  5. Step 5: Solve for x
    x = 20,744,585,003.71/201,730.70
  6. Step 6: Final answer
    x = 102,833.06

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