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Finding the Fourth Proportional to 247,656.26, 341,769.30 and 140,223.26

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Solution

The fourth proportional to 247,656.26, 341,769.30 and 140,223.26 is: 193,510.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,656.26 : 341,769.30 = 140,223.26 : x
  2. Step 2: Convert to fraction form
    247,656.26/341,769.30 = 140,223.26/x
  3. Step 3: Cross multiply
    247,656.26x = 341,769.30 × 140,223.26
  4. Step 4: Simplify right side
    247,656.26x = 47,924,005,413.92
  5. Step 5: Solve for x
    x = 47,924,005,413.92/247,656.26
  6. Step 6: Final answer
    x = 193,510.17

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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.