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Finding the Fourth Proportional to 207,481.63, 310,723.52 and 118,465.33

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Solution

The fourth proportional to 207,481.63, 310,723.52 and 118,465.33 is: 177,413.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,481.63 : 310,723.52 = 118,465.33 : x
  2. Step 2: Convert to fraction form
    207,481.63/310,723.52 = 118,465.33/x
  3. Step 3: Cross multiply
    207,481.63x = 310,723.52 × 118,465.33
  4. Step 4: Simplify right side
    207,481.63x = 36,809,964,353.76
  5. Step 5: Solve for x
    x = 36,809,964,353.76/207,481.63
  6. Step 6: Final answer
    x = 177,413.12

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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.