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Finding the Fourth Proportional to 234,303.96, 323,371.26 and 143,713.56

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Solution

The fourth proportional to 234,303.96, 323,371.26 and 143,713.56 is: 198,344.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,303.96 : 323,371.26 = 143,713.56 : x
  2. Step 2: Convert to fraction form
    234,303.96/323,371.26 = 143,713.56/x
  3. Step 3: Cross multiply
    234,303.96x = 323,371.26 × 143,713.56
  4. Step 4: Simplify right side
    234,303.96x = 46,472,834,976.29
  5. Step 5: Solve for x
    x = 46,472,834,976.29/234,303.96
  6. Step 6: Final answer
    x = 198,344.21

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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.