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Finding the Fourth Proportional to 227,314.48, 340,985.37 and 69,544.30

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Solution

The fourth proportional to 227,314.48, 340,985.37 and 69,544.30 is: 104,320.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,314.48 : 340,985.37 = 69,544.30 : x
  2. Step 2: Convert to fraction form
    227,314.48/340,985.37 = 69,544.30/x
  3. Step 3: Cross multiply
    227,314.48x = 340,985.37 × 69,544.30
  4. Step 4: Simplify right side
    227,314.48x = 23,713,586,814.24
  5. Step 5: Solve for x
    x = 23,713,586,814.24/227,314.48
  6. Step 6: Final answer
    x = 104,320.62

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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.