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Finding the Fourth Proportional to 228,122.72, 342,242.43 and 94,958.72

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Solution

The fourth proportional to 228,122.72, 342,242.43 and 94,958.72 is: 142,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,122.72 : 342,242.43 = 94,958.72 : x
  2. Step 2: Convert to fraction form
    228,122.72/342,242.43 = 94,958.72/x
  3. Step 3: Cross multiply
    228,122.72x = 342,242.43 × 94,958.72
  4. Step 4: Simplify right side
    228,122.72x = 32,498,903,082.49
  5. Step 5: Solve for x
    x = 32,498,903,082.49/228,122.72
  6. Step 6: Final answer
    x = 142,462.37

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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.