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Finding the Fourth Proportional to 215,466.06, 323,199.09 and 67,722.06

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Solution

The fourth proportional to 215,466.06, 323,199.09 and 67,722.06 is: 101,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,466.06 : 323,199.09 = 67,722.06 : x
  2. Step 2: Convert to fraction form
    215,466.06/323,199.09 = 67,722.06/x
  3. Step 3: Cross multiply
    215,466.06x = 323,199.09 × 67,722.06
  4. Step 4: Simplify right side
    215,466.06x = 21,887,708,164.93
  5. Step 5: Solve for x
    x = 21,887,708,164.93/215,466.06
  6. Step 6: Final answer
    x = 101,583.09

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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.