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Finding the Fourth Proportional to 377,816.80, 566,592.90 and 111,506.80

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Solution

The fourth proportional to 377,816.80, 566,592.90 and 111,506.80 is: 167,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,816.80 : 566,592.90 = 111,506.80 : x
  2. Step 2: Convert to fraction form
    377,816.80/566,592.90 = 111,506.80/x
  3. Step 3: Cross multiply
    377,816.80x = 566,592.90 × 111,506.80
  4. Step 4: Simplify right side
    377,816.80x = 63,178,961,181.72
  5. Step 5: Solve for x
    x = 63,178,961,181.72/377,816.80
  6. Step 6: Final answer
    x = 167,221.15

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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.