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Finding the Fourth Proportional to 248,036, 372,285.68 and 192,980.64

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Solution

The fourth proportional to 248,036, 372,285.68 and 192,980.64 is: 289,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,036 : 372,285.68 = 192,980.64 : x
  2. Step 2: Convert to fraction form
    248,036/372,285.68 = 192,980.64/x
  3. Step 3: Cross multiply
    248,036x = 372,285.68 × 192,980.64
  4. Step 4: Simplify right side
    248,036x = 71,843,928,789.24
  5. Step 5: Solve for x
    x = 71,843,928,789.24/248,036
  6. Step 6: Final answer
    x = 289,651.22

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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.