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Finding the Fourth Proportional to 92,910.86, 139,366.02 and 33,746.30

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Solution

The fourth proportional to 92,910.86, 139,366.02 and 33,746.30 is: 50,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,910.86 : 139,366.02 = 33,746.30 : x
  2. Step 2: Convert to fraction form
    92,910.86/139,366.02 = 33,746.30/x
  3. Step 3: Cross multiply
    92,910.86x = 139,366.02 × 33,746.30
  4. Step 4: Simplify right side
    92,910.86x = 4,703,087,520.73
  5. Step 5: Solve for x
    x = 4,703,087,520.73/92,910.86
  6. Step 6: Final answer
    x = 50,619.35

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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.