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Finding the Fourth Proportional to 163,176.80, 244,531.91 and 92,910.92

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Solution

The fourth proportional to 163,176.80, 244,531.91 and 92,910.92 is: 139,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,176.80 : 244,531.91 = 92,910.92 : x
  2. Step 2: Convert to fraction form
    163,176.80/244,531.91 = 92,910.92/x
  3. Step 3: Cross multiply
    163,176.80x = 244,531.91 × 92,910.92
  4. Step 4: Simplify right side
    163,176.80x = 22,719,683,737.07
  5. Step 5: Solve for x
    x = 22,719,683,737.07/163,176.80
  6. Step 6: Final answer
    x = 139,233.55

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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.