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Finding the Fourth Proportional to 63,334.69, 87,413.91 and 45,234.43

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Solution

The fourth proportional to 63,334.69, 87,413.91 and 45,234.43 is: 62,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,334.69 : 87,413.91 = 45,234.43 : x
  2. Step 2: Convert to fraction form
    63,334.69/87,413.91 = 45,234.43/x
  3. Step 3: Cross multiply
    63,334.69x = 87,413.91 × 45,234.43
  4. Step 4: Simplify right side
    63,334.69x = 3,954,118,392.92
  5. Step 5: Solve for x
    x = 3,954,118,392.92/63,334.69
  6. Step 6: Final answer
    x = 62,432.11

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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.