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Finding the Fourth Proportional to 247,094.25, 341,007.41 and 139,665.05

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Solution

The fourth proportional to 247,094.25, 341,007.41 and 139,665.05 is: 192,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,094.25 : 341,007.41 = 139,665.05 : x
  2. Step 2: Convert to fraction form
    247,094.25/341,007.41 = 139,665.05/x
  3. Step 3: Cross multiply
    247,094.25x = 341,007.41 × 139,665.05
  4. Step 4: Simplify right side
    247,094.25x = 47,626,815,429.36
  5. Step 5: Solve for x
    x = 47,626,815,429.36/247,094.25
  6. Step 6: Final answer
    x = 192,747.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.