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Finding the Fourth Proportional to 226,896.78, 340,347.12 and 64,790.41

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Solution

The fourth proportional to 226,896.78, 340,347.12 and 64,790.41 is: 97,186.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,896.78 : 340,347.12 = 64,790.41 : x
  2. Step 2: Convert to fraction form
    226,896.78/340,347.12 = 64,790.41/x
  3. Step 3: Cross multiply
    226,896.78x = 340,347.12 × 64,790.41
  4. Step 4: Simplify right side
    226,896.78x = 22,051,230,313.11
  5. Step 5: Solve for x
    x = 22,051,230,313.11/226,896.78
  6. Step 6: Final answer
    x = 97,186.17

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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.