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Finding the Fourth Proportional to 247,413.44, 371,170.64 and 105,258.48

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Solution

The fourth proportional to 247,413.44, 371,170.64 and 105,258.48 is: 157,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,413.44 : 371,170.64 = 105,258.48 : x
  2. Step 2: Convert to fraction form
    247,413.44/371,170.64 = 105,258.48/x
  3. Step 3: Cross multiply
    247,413.44x = 371,170.64 × 105,258.48
  4. Step 4: Simplify right side
    247,413.44x = 39,068,857,387.03
  5. Step 5: Solve for x
    x = 39,068,857,387.03/247,413.44
  6. Step 6: Final answer
    x = 157,909.20

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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.