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Finding the Fourth Proportional to 269,352.54, 371,709 and 148,498.08

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Solution

The fourth proportional to 269,352.54, 371,709 and 148,498.08 is: 204,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,352.54 : 371,709 = 148,498.08 : x
  2. Step 2: Convert to fraction form
    269,352.54/371,709 = 148,498.08/x
  3. Step 3: Cross multiply
    269,352.54x = 371,709 × 148,498.08
  4. Step 4: Simplify right side
    269,352.54x = 55,198,072,818.72
  5. Step 5: Solve for x
    x = 55,198,072,818.72/269,352.54
  6. Step 6: Final answer
    x = 204,928.73

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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.