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Finding the Fourth Proportional to 226,533.54, 339,776.91 and 76,769.94

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Solution

The fourth proportional to 226,533.54, 339,776.91 and 76,769.94 is: 115,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,533.54 : 339,776.91 = 76,769.94 : x
  2. Step 2: Convert to fraction form
    226,533.54/339,776.91 = 76,769.94/x
  3. Step 3: Cross multiply
    226,533.54x = 339,776.91 × 76,769.94
  4. Step 4: Simplify right side
    226,533.54x = 26,084,654,268.25
  5. Step 5: Solve for x
    x = 26,084,654,268.25/226,533.54
  6. Step 6: Final answer
    x = 115,146.98

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1.5x scale

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.