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Finding the Fourth Proportional to 223,723,120.80, 335,017,810.80 and 178,373,488.80

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Solution

The fourth proportional to 223,723,120.80, 335,017,810.80 and 178,373,488.80 is: 267,108,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,723,120.80 : 335,017,810.80 = 178,373,488.80 : x
  2. Step 2: Convert to fraction form
    223,723,120.80/335,017,810.80 = 178,373,488.80/x
  3. Step 3: Cross multiply
    223,723,120.80x = 335,017,810.80 × 178,373,488.80
  4. Step 4: Simplify right side
    223,723,120.80x = 59,758,295,722,534,328
  5. Step 5: Solve for x
    x = 59,758,295,722,534,328/223,723,120.80
  6. Step 6: Final answer
    x = 267,108,269.85

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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.