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Finding the Fourth Proportional to 70,270.66, 105,413.38 and 22,889.45

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Solution

The fourth proportional to 70,270.66, 105,413.38 and 22,889.45 is: 34,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,270.66 : 105,413.38 = 22,889.45 : x
  2. Step 2: Convert to fraction form
    70,270.66/105,413.38 = 22,889.45/x
  3. Step 3: Cross multiply
    70,270.66x = 105,413.38 × 22,889.45
  4. Step 4: Simplify right side
    70,270.66x = 2,412,854,290.84
  5. Step 5: Solve for x
    x = 2,412,854,290.84/70,270.66
  6. Step 6: Final answer
    x = 34,336.58

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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.