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Finding the Fourth Proportional to 262,957.88, 394,611.54 and 96,745.72

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Solution

The fourth proportional to 262,957.88, 394,611.54 and 96,745.72 is: 145,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,957.88 : 394,611.54 = 96,745.72 : x
  2. Step 2: Convert to fraction form
    262,957.88/394,611.54 = 96,745.72/x
  3. Step 3: Cross multiply
    262,957.88x = 394,611.54 × 96,745.72
  4. Step 4: Simplify right side
    262,957.88x = 38,176,977,557.61
  5. Step 5: Solve for x
    x = 38,176,977,557.61/262,957.88
  6. Step 6: Final answer
    x = 145,182.86

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1.5x scale

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.