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Finding the Fourth Proportional to 247,951.26, 342,171.09 and 134,774.01

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Solution

The fourth proportional to 247,951.26, 342,171.09 and 134,774.01 is: 185,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,951.26 : 342,171.09 = 134,774.01 : x
  2. Step 2: Convert to fraction form
    247,951.26/342,171.09 = 134,774.01/x
  3. Step 3: Cross multiply
    247,951.26x = 342,171.09 × 134,774.01
  4. Step 4: Simplify right side
    247,951.26x = 46,115,769,905.37
  5. Step 5: Solve for x
    x = 46,115,769,905.37/247,951.26
  6. Step 6: Final answer
    x = 185,987.24

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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.