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Finding the Fourth Proportional to 244,369.89, 337,224.92 and 142,389

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Solution

The fourth proportional to 244,369.89, 337,224.92 and 142,389 is: 196,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,369.89 : 337,224.92 = 142,389 : x
  2. Step 2: Convert to fraction form
    244,369.89/337,224.92 = 142,389/x
  3. Step 3: Cross multiply
    244,369.89x = 337,224.92 × 142,389
  4. Step 4: Simplify right side
    244,369.89x = 48,017,118,421.94
  5. Step 5: Solve for x
    x = 48,017,118,421.94/244,369.89
  6. Step 6: Final answer
    x = 196,493.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.