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Finding the Fourth Proportional to 247,073.43, 340,961.63 and 133,896.18

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Solution

The fourth proportional to 247,073.43, 340,961.63 and 133,896.18 is: 184,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,073.43 : 340,961.63 = 133,896.18 : x
  2. Step 2: Convert to fraction form
    247,073.43/340,961.63 = 133,896.18/x
  3. Step 3: Cross multiply
    247,073.43x = 340,961.63 × 133,896.18
  4. Step 4: Simplify right side
    247,073.43x = 45,653,459,114.09
  5. Step 5: Solve for x
    x = 45,653,459,114.09/247,073.43
  6. Step 6: Final answer
    x = 184,776.89

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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.