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Finding the Fourth Proportional to 230,791.02, 346,332.33 and 90,546.54

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Solution

The fourth proportional to 230,791.02, 346,332.33 and 90,546.54 is: 135,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,791.02 : 346,332.33 = 90,546.54 : x
  2. Step 2: Convert to fraction form
    230,791.02/346,332.33 = 90,546.54/x
  3. Step 3: Cross multiply
    230,791.02x = 346,332.33 × 90,546.54
  4. Step 4: Simplify right side
    230,791.02x = 31,359,194,171.64
  5. Step 5: Solve for x
    x = 31,359,194,171.64/230,791.02
  6. Step 6: Final answer
    x = 135,877.01

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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.