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Finding the Fourth Proportional to 220,438.72, 330,771.87 and 94,045.04

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Solution

The fourth proportional to 220,438.72, 330,771.87 and 94,045.04 is: 141,116.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,438.72 : 330,771.87 = 94,045.04 : x
  2. Step 2: Convert to fraction form
    220,438.72/330,771.87 = 94,045.04/x
  3. Step 3: Cross multiply
    220,438.72x = 330,771.87 × 94,045.04
  4. Step 4: Simplify right side
    220,438.72x = 31,107,453,745.02
  5. Step 5: Solve for x
    x = 31,107,453,745.02/220,438.72
  6. Step 6: Final answer
    x = 141,116.11

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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.