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Finding the Fourth Proportional to 164,863.86, 247,334.67 and 131,256.94

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Solution

The fourth proportional to 164,863.86, 247,334.67 and 131,256.94 is: 196,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,863.86 : 247,334.67 = 131,256.94 : x
  2. Step 2: Convert to fraction form
    164,863.86/247,334.67 = 131,256.94/x
  3. Step 3: Cross multiply
    164,863.86x = 247,334.67 × 131,256.94
  4. Step 4: Simplify right side
    164,863.86x = 32,464,390,520.39
  5. Step 5: Solve for x
    x = 32,464,390,520.39/164,863.86
  6. Step 6: Final answer
    x = 196,916.35

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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.