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Finding the Fourth Proportional to 115,874.99, 173,672.13 and 49,175.00

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Solution

The fourth proportional to 115,874.99, 173,672.13 and 49,175.00 is: 73,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,874.99 : 173,672.13 = 49,175.00 : x
  2. Step 2: Convert to fraction form
    115,874.99/173,672.13 = 49,175.00/x
  3. Step 3: Cross multiply
    115,874.99x = 173,672.13 × 49,175.00
  4. Step 4: Simplify right side
    115,874.99x = 8,540,326,124.39
  5. Step 5: Solve for x
    x = 8,540,326,124.39/115,874.99
  6. Step 6: Final answer
    x = 73,702.93

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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.