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Finding the Fourth Proportional to 167,603.36, 251,398.92 and 55,280.44

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Solution

The fourth proportional to 167,603.36, 251,398.92 and 55,280.44 is: 82,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,603.36 : 251,398.92 = 55,280.44 : x
  2. Step 2: Convert to fraction form
    167,603.36/251,398.92 = 55,280.44/x
  3. Step 3: Cross multiply
    167,603.36x = 251,398.92 × 55,280.44
  4. Step 4: Simplify right side
    167,603.36x = 13,897,442,913.12
  5. Step 5: Solve for x
    x = 13,897,442,913.12/167,603.36
  6. Step 6: Final answer
    x = 82,918.64

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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.