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Finding the Fourth Proportional to 248,754.48, 342,933.36 and 210,359.76

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Solution

The fourth proportional to 248,754.48, 342,933.36 and 210,359.76 is: 290,002.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,754.48 : 342,933.36 = 210,359.76 : x
  2. Step 2: Convert to fraction form
    248,754.48/342,933.36 = 210,359.76/x
  3. Step 3: Cross multiply
    248,754.48x = 342,933.36 × 210,359.76
  4. Step 4: Simplify right side
    248,754.48x = 72,139,379,305.59
  5. Step 5: Solve for x
    x = 72,139,379,305.59/248,754.48
  6. Step 6: Final answer
    x = 290,002.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.