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Finding the Fourth Proportional to 248,406.12, 372,601.26 and 147,893.61

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Solution

The fourth proportional to 248,406.12, 372,601.26 and 147,893.61 is: 221,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,406.12 : 372,601.26 = 147,893.61 : x
  2. Step 2: Convert to fraction form
    248,406.12/372,601.26 = 147,893.61/x
  3. Step 3: Cross multiply
    248,406.12x = 372,601.26 × 147,893.61
  4. Step 4: Simplify right side
    248,406.12x = 55,105,345,431.95
  5. Step 5: Solve for x
    x = 55,105,345,431.95/248,406.12
  6. Step 6: Final answer
    x = 221,835.70

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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.