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Finding the Fourth Proportional to 247,998.02, 342,264.02 and 140,556.51

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Solution

The fourth proportional to 247,998.02, 342,264.02 and 140,556.51 is: 193,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,998.02 : 342,264.02 = 140,556.51 : x
  2. Step 2: Convert to fraction form
    247,998.02/342,264.02 = 140,556.51/x
  3. Step 3: Cross multiply
    247,998.02x = 342,264.02 × 140,556.51
  4. Step 4: Simplify right side
    247,998.02x = 48,107,435,446.99
  5. Step 5: Solve for x
    x = 48,107,435,446.99/247,998.02
  6. Step 6: Final answer
    x = 193,983.15

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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.