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Finding the Fourth Proportional to 226,681.40, 340,009.77 and 68,897.54

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Solution

The fourth proportional to 226,681.40, 340,009.77 and 68,897.54 is: 103,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,681.40 : 340,009.77 = 68,897.54 : x
  2. Step 2: Convert to fraction form
    226,681.40/340,009.77 = 68,897.54/x
  3. Step 3: Cross multiply
    226,681.40x = 340,009.77 × 68,897.54
  4. Step 4: Simplify right side
    226,681.40x = 23,425,835,028.92
  5. Step 5: Solve for x
    x = 23,425,835,028.92/226,681.40
  6. Step 6: Final answer
    x = 103,342.56

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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.