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Finding the Fourth Proportional to 373,115.86, 559,673.78 and 92,633.12

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Solution

The fourth proportional to 373,115.86, 559,673.78 and 92,633.12 is: 138,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,115.86 : 559,673.78 = 92,633.12 : x
  2. Step 2: Convert to fraction form
    373,115.86/559,673.78 = 92,633.12/x
  3. Step 3: Cross multiply
    373,115.86x = 559,673.78 × 92,633.12
  4. Step 4: Simplify right side
    373,115.86x = 51,844,328,423.59
  5. Step 5: Solve for x
    x = 51,844,328,423.59/373,115.86
  6. Step 6: Final answer
    x = 138,949.68

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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.