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Finding the Fourth Proportional to 219,734.80, 329,083.80 and 149,232.40

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Solution

The fourth proportional to 219,734.80, 329,083.80 and 149,232.40 is: 223,496.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,734.80 : 329,083.80 = 149,232.40 : x
  2. Step 2: Convert to fraction form
    219,734.80/329,083.80 = 149,232.40/x
  3. Step 3: Cross multiply
    219,734.80x = 329,083.80 × 149,232.40
  4. Step 4: Simplify right side
    219,734.80x = 49,109,965,275.12
  5. Step 5: Solve for x
    x = 49,109,965,275.12/219,734.80
  6. Step 6: Final answer
    x = 223,496.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.