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Finding the Fourth Proportional to 207,274.27, 310,413.17 and 118,257.90

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Solution

The fourth proportional to 207,274.27, 310,413.17 and 118,257.90 is: 177,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,274.27 : 310,413.17 = 118,257.90 : x
  2. Step 2: Convert to fraction form
    207,274.27/310,413.17 = 118,257.90/x
  3. Step 3: Cross multiply
    207,274.27x = 310,413.17 × 118,257.90
  4. Step 4: Simplify right side
    207,274.27x = 36,708,810,854.50
  5. Step 5: Solve for x
    x = 36,708,810,854.50/207,274.27
  6. Step 6: Final answer
    x = 177,102.59

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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.