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Finding the Fourth Proportional to 247,029.48, 340,891.56 and 133,849.80

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Solution

The fourth proportional to 247,029.48, 340,891.56 and 133,849.80 is: 184,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,029.48 : 340,891.56 = 133,849.80 : x
  2. Step 2: Convert to fraction form
    247,029.48/340,891.56 = 133,849.80/x
  3. Step 3: Cross multiply
    247,029.48x = 340,891.56 × 133,849.80
  4. Step 4: Simplify right side
    247,029.48x = 45,628,267,127.69
  5. Step 5: Solve for x
    x = 45,628,267,127.69/247,029.48
  6. Step 6: Final answer
    x = 184,707.78

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1.5x scale

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.