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Finding the Fourth Proportional to 377,822.80, 566,601.90 and 111,512.80

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Solution

The fourth proportional to 377,822.80, 566,601.90 and 111,512.80 is: 167,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,822.80 : 566,601.90 = 111,512.80 : x
  2. Step 2: Convert to fraction form
    377,822.80/566,601.90 = 111,512.80/x
  3. Step 3: Cross multiply
    377,822.80x = 566,601.90 × 111,512.80
  4. Step 4: Simplify right side
    377,822.80x = 63,183,364,354.32
  5. Step 5: Solve for x
    x = 63,183,364,354.32/377,822.80
  6. Step 6: Final answer
    x = 167,230.15

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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.