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Finding the Fourth Proportional to 201,677.80, 302,516.70 and 113,204.20

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Solution

The fourth proportional to 201,677.80, 302,516.70 and 113,204.20 is: 169,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,677.80 : 302,516.70 = 113,204.20 : x
  2. Step 2: Convert to fraction form
    201,677.80/302,516.70 = 113,204.20/x
  3. Step 3: Cross multiply
    201,677.80x = 302,516.70 × 113,204.20
  4. Step 4: Simplify right side
    201,677.80x = 34,246,161,010.14
  5. Step 5: Solve for x
    x = 34,246,161,010.14/201,677.80
  6. Step 6: Final answer
    x = 169,806.30

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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.