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Finding the Fourth Proportional to 175,295.60, 262,943.40 and 108,519.20

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Solution

The fourth proportional to 175,295.60, 262,943.40 and 108,519.20 is: 162,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,295.60 : 262,943.40 = 108,519.20 : x
  2. Step 2: Convert to fraction form
    175,295.60/262,943.40 = 108,519.20/x
  3. Step 3: Cross multiply
    175,295.60x = 262,943.40 × 108,519.20
  4. Step 4: Simplify right side
    175,295.60x = 28,534,407,413.28
  5. Step 5: Solve for x
    x = 28,534,407,413.28/175,295.60
  6. Step 6: Final answer
    x = 162,778.80

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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.