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Finding the Fourth Proportional to 373,410.72, 560,115.12 and 92,928

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Solution

The fourth proportional to 373,410.72, 560,115.12 and 92,928 is: 139,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,410.72 : 560,115.12 = 92,928 : x
  2. Step 2: Convert to fraction form
    373,410.72/560,115.12 = 92,928/x
  3. Step 3: Cross multiply
    373,410.72x = 560,115.12 × 92,928
  4. Step 4: Simplify right side
    373,410.72x = 52,050,377,871.36
  5. Step 5: Solve for x
    x = 52,050,377,871.36/373,410.72
  6. Step 6: Final answer
    x = 139,391.76

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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.