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Finding the Fourth Proportional to 200,582.93, 300,671.80 and 125,755.61

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Solution

The fourth proportional to 200,582.93, 300,671.80 and 125,755.61 is: 188,506.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,582.93 : 300,671.80 = 125,755.61 : x
  2. Step 2: Convert to fraction form
    200,582.93/300,671.80 = 125,755.61/x
  3. Step 3: Cross multiply
    200,582.93x = 300,671.80 × 125,755.61
  4. Step 4: Simplify right side
    200,582.93x = 37,811,163,801.05
  5. Step 5: Solve for x
    x = 37,811,163,801.05/200,582.93
  6. Step 6: Final answer
    x = 188,506.39

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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.