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Finding the Fourth Proportional to 163,469.92, 245,153.04 and 52,636

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Solution

The fourth proportional to 163,469.92, 245,153.04 and 52,636 is: 78,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,469.92 : 245,153.04 = 52,636 : x
  2. Step 2: Convert to fraction form
    163,469.92/245,153.04 = 52,636/x
  3. Step 3: Cross multiply
    163,469.92x = 245,153.04 × 52,636
  4. Step 4: Simplify right side
    163,469.92x = 12,903,875,413.44
  5. Step 5: Solve for x
    x = 12,903,875,413.44/163,469.92
  6. Step 6: Final answer
    x = 78,937.31

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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.