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Finding the Fourth Proportional to 236,841.84, 355,338.60 and 84,936.57

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Solution

The fourth proportional to 236,841.84, 355,338.60 and 84,936.57 is: 127,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,841.84 : 355,338.60 = 84,936.57 : x
  2. Step 2: Convert to fraction form
    236,841.84/355,338.60 = 84,936.57/x
  3. Step 3: Cross multiply
    236,841.84x = 355,338.60 × 84,936.57
  4. Step 4: Simplify right side
    236,841.84x = 30,181,240,221.57
  5. Step 5: Solve for x
    x = 30,181,240,221.57/236,841.84
  6. Step 6: Final answer
    x = 127,432.05

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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.