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Finding the Fourth Proportional to 247,614.01, 371,413.92 and 70,120.60

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Solution

The fourth proportional to 247,614.01, 371,413.92 and 70,120.60 is: 105,178.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,614.01 : 371,413.92 = 70,120.60 : x
  2. Step 2: Convert to fraction form
    247,614.01/371,413.92 = 70,120.60/x
  3. Step 3: Cross multiply
    247,614.01x = 371,413.92 × 70,120.60
  4. Step 4: Simplify right side
    247,614.01x = 26,043,765,061.68
  5. Step 5: Solve for x
    x = 26,043,765,061.68/247,614.01
  6. Step 6: Final answer
    x = 105,178.89

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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.