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Finding the Fourth Proportional to 104,719.52, 157,102.32 and 49,377.44

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Solution

The fourth proportional to 104,719.52, 157,102.32 and 49,377.44 is: 74,077.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,719.52 : 157,102.32 = 49,377.44 : x
  2. Step 2: Convert to fraction form
    104,719.52/157,102.32 = 49,377.44/x
  3. Step 3: Cross multiply
    104,719.52x = 157,102.32 × 49,377.44
  4. Step 4: Simplify right side
    104,719.52x = 7,757,310,379.66
  5. Step 5: Solve for x
    x = 7,757,310,379.66/104,719.52
  6. Step 6: Final answer
    x = 74,077.02

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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.