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Finding the Fourth Proportional to 132,696.30, 199,044.45 and 39,200.70

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Solution

The fourth proportional to 132,696.30, 199,044.45 and 39,200.70 is: 58,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,696.30 : 199,044.45 = 39,200.70 : x
  2. Step 2: Convert to fraction form
    132,696.30/199,044.45 = 39,200.70/x
  3. Step 3: Cross multiply
    132,696.30x = 199,044.45 × 39,200.70
  4. Step 4: Simplify right side
    132,696.30x = 7,802,681,771.12
  5. Step 5: Solve for x
    x = 7,802,681,771.12/132,696.30
  6. Step 6: Final answer
    x = 58,801.05

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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.