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Finding the Fourth Proportional to 234,489.22, 323,601.09 and 143,895.22

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Solution

The fourth proportional to 234,489.22, 323,601.09 and 143,895.22 is: 198,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,489.22 : 323,601.09 = 143,895.22 : x
  2. Step 2: Convert to fraction form
    234,489.22/323,601.09 = 143,895.22/x
  3. Step 3: Cross multiply
    234,489.22x = 323,601.09 × 143,895.22
  4. Step 4: Simplify right side
    234,489.22x = 46,564,650,037.79
  5. Step 5: Solve for x
    x = 46,564,650,037.79/234,489.22
  6. Step 6: Final answer
    x = 198,579.06

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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.