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Finding the Fourth Proportional to 132,634.13, 198,914.14 and 52,636.10

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Solution

The fourth proportional to 132,634.13, 198,914.14 and 52,636.10 is: 78,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,634.13 : 198,914.14 = 52,636.10 : x
  2. Step 2: Convert to fraction form
    132,634.13/198,914.14 = 52,636.10/x
  3. Step 3: Cross multiply
    132,634.13x = 198,914.14 × 52,636.10
  4. Step 4: Simplify right side
    132,634.13x = 10,470,064,930.15
  5. Step 5: Solve for x
    x = 10,470,064,930.15/132,634.13
  6. Step 6: Final answer
    x = 78,939.45

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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.