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Finding the Fourth Proportional to 318,474.72, 477,794.73 and 93,843.12

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Solution

The fourth proportional to 318,474.72, 477,794.73 and 93,843.12 is: 140,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,474.72 : 477,794.73 = 93,843.12 : x
  2. Step 2: Convert to fraction form
    318,474.72/477,794.73 = 93,843.12/x
  3. Step 3: Cross multiply
    318,474.72x = 477,794.73 × 93,843.12
  4. Step 4: Simplify right side
    318,474.72x = 44,837,748,182.76
  5. Step 5: Solve for x
    x = 44,837,748,182.76/318,474.72
  6. Step 6: Final answer
    x = 140,789.03

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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.