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Finding the Fourth Proportional to 226,681.54, 340,010 and 68,897.69

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Solution

The fourth proportional to 226,681.54, 340,010 and 68,897.69 is: 103,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,681.54 : 340,010 = 68,897.69 : x
  2. Step 2: Convert to fraction form
    226,681.54/340,010 = 68,897.69/x
  3. Step 3: Cross multiply
    226,681.54x = 340,010 × 68,897.69
  4. Step 4: Simplify right side
    226,681.54x = 23,425,903,576.90
  5. Step 5: Solve for x
    x = 23,425,903,576.90/226,681.54
  6. Step 6: Final answer
    x = 103,342.79

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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.