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Finding the Fourth Proportional to 226,532.03, 339,796.52 and 76,877.68

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Solution

The fourth proportional to 226,532.03, 339,796.52 and 76,877.68 is: 115,316.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,532.03 : 339,796.52 = 76,877.68 : x
  2. Step 2: Convert to fraction form
    226,532.03/339,796.52 = 76,877.68/x
  3. Step 3: Cross multiply
    226,532.03x = 339,796.52 × 76,877.68
  4. Step 4: Simplify right side
    226,532.03x = 26,122,768,129.67
  5. Step 5: Solve for x
    x = 26,122,768,129.67/226,532.03
  6. Step 6: Final answer
    x = 115,316.00

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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.