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Finding the Fourth Proportional to 247,415.49, 341,433.99 and 134,238.24

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Solution

The fourth proportional to 247,415.49, 341,433.99 and 134,238.24 is: 185,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,415.49 : 341,433.99 = 134,238.24 : x
  2. Step 2: Convert to fraction form
    247,415.49/341,433.99 = 134,238.24/x
  3. Step 3: Cross multiply
    247,415.49x = 341,433.99 × 134,238.24
  4. Step 4: Simplify right side
    247,415.49x = 45,833,497,893.78
  5. Step 5: Solve for x
    x = 45,833,497,893.78/247,415.49
  6. Step 6: Final answer
    x = 185,249.10

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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.