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Finding the Fourth Proportional to 248,093.20, 372,139.80 and 246,019.60

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Solution

The fourth proportional to 248,093.20, 372,139.80 and 246,019.60 is: 369,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,093.20 : 372,139.80 = 246,019.60 : x
  2. Step 2: Convert to fraction form
    248,093.20/372,139.80 = 246,019.60/x
  3. Step 3: Cross multiply
    248,093.20x = 372,139.80 × 246,019.60
  4. Step 4: Simplify right side
    248,093.20x = 91,553,684,740.08
  5. Step 5: Solve for x
    x = 91,553,684,740.08/248,093.20
  6. Step 6: Final answer
    x = 369,029.40

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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.