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Finding the Fourth Proportional to 157,696.01, 236,453.12 and 107,836.52

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Solution

The fourth proportional to 157,696.01, 236,453.12 and 107,836.52 is: 161,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,696.01 : 236,453.12 = 107,836.52 : x
  2. Step 2: Convert to fraction form
    157,696.01/236,453.12 = 107,836.52/x
  3. Step 3: Cross multiply
    157,696.01x = 236,453.12 × 107,836.52
  4. Step 4: Simplify right side
    157,696.01x = 25,498,280,893.46
  5. Step 5: Solve for x
    x = 25,498,280,893.46/157,696.01
  6. Step 6: Final answer
    x = 161,692.61

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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.