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Finding the Fourth Proportional to 215,301.44, 323,004.08 and 67,557.44

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Solution

The fourth proportional to 215,301.44, 323,004.08 and 67,557.44 is: 101,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,301.44 : 323,004.08 = 67,557.44 : x
  2. Step 2: Convert to fraction form
    215,301.44/323,004.08 = 67,557.44/x
  3. Step 3: Cross multiply
    215,301.44x = 323,004.08 × 67,557.44
  4. Step 4: Simplify right side
    215,301.44x = 21,821,328,754.36
  5. Step 5: Solve for x
    x = 21,821,328,754.36/215,301.44
  6. Step 6: Final answer
    x = 101,352.45

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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.