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Finding the Fourth Proportional to 247,593.10, 341,679.88 and 145,622.86

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Solution

The fourth proportional to 247,593.10, 341,679.88 and 145,622.86 is: 200,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,593.10 : 341,679.88 = 145,622.86 : x
  2. Step 2: Convert to fraction form
    247,593.10/341,679.88 = 145,622.86/x
  3. Step 3: Cross multiply
    247,593.10x = 341,679.88 × 145,622.86
  4. Step 4: Simplify right side
    247,593.10x = 49,756,401,330.06
  5. Step 5: Solve for x
    x = 49,756,401,330.06/247,593.10
  6. Step 6: Final answer
    x = 200,960.37

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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.