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Finding the Fourth Proportional to 220,542.54, 330,826.32 and 62,758.50

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Solution

The fourth proportional to 220,542.54, 330,826.32 and 62,758.50 is: 94,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,542.54 : 330,826.32 = 62,758.50 : x
  2. Step 2: Convert to fraction form
    220,542.54/330,826.32 = 62,758.50/x
  3. Step 3: Cross multiply
    220,542.54x = 330,826.32 × 62,758.50
  4. Step 4: Simplify right side
    220,542.54x = 20,762,163,603.72
  5. Step 5: Solve for x
    x = 20,762,163,603.72/220,542.54
  6. Step 6: Final answer
    x = 94,141.31

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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.