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Finding the Fourth Proportional to 367,872.94, 551,692.77 and 157,454.38

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Solution

The fourth proportional to 367,872.94, 551,692.77 and 157,454.38 is: 236,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,872.94 : 551,692.77 = 157,454.38 : x
  2. Step 2: Convert to fraction form
    367,872.94/551,692.77 = 157,454.38/x
  3. Step 3: Cross multiply
    367,872.94x = 551,692.77 × 157,454.38
  4. Step 4: Simplify right side
    367,872.94x = 86,866,443,050.83
  5. Step 5: Solve for x
    x = 86,866,443,050.83/367,872.94
  6. Step 6: Final answer
    x = 236,131.65

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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.