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Finding the Fourth Proportional to 136,265.71, 204,425.90 and 47,495.38

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Solution

The fourth proportional to 136,265.71, 204,425.90 and 47,495.38 is: 71,252.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,265.71 : 204,425.90 = 47,495.38 : x
  2. Step 2: Convert to fraction form
    136,265.71/204,425.90 = 47,495.38/x
  3. Step 3: Cross multiply
    136,265.71x = 204,425.90 × 47,495.38
  4. Step 4: Simplify right side
    136,265.71x = 9,709,284,542.74
  5. Step 5: Solve for x
    x = 9,709,284,542.74/136,265.71
  6. Step 6: Final answer
    x = 71,252.59

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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.