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Finding the Fourth Proportional to 247,083.62, 340,966.24 and 133,903.94

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Solution

The fourth proportional to 247,083.62, 340,966.24 and 133,903.94 is: 184,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,083.62 : 340,966.24 = 133,903.94 : x
  2. Step 2: Convert to fraction form
    247,083.62/340,966.24 = 133,903.94/x
  3. Step 3: Cross multiply
    247,083.62x = 340,966.24 × 133,903.94
  4. Step 4: Simplify right side
    247,083.62x = 45,656,722,942.99
  5. Step 5: Solve for x
    x = 45,656,722,942.99/247,083.62
  6. Step 6: Final answer
    x = 184,782.48

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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.