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Finding the Fourth Proportional to 251,751.44, 377,692.76 and 93,981.20

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Solution

The fourth proportional to 251,751.44, 377,692.76 and 93,981.20 is: 140,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,751.44 : 377,692.76 = 93,981.20 : x
  2. Step 2: Convert to fraction form
    251,751.44/377,692.76 = 93,981.20/x
  3. Step 3: Cross multiply
    251,751.44x = 377,692.76 × 93,981.20
  4. Step 4: Simplify right side
    251,751.44x = 35,496,018,816.11
  5. Step 5: Solve for x
    x = 35,496,018,816.11/251,751.44
  6. Step 6: Final answer
    x = 140,996.29

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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.