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Finding the Fourth Proportional to 259,552.98, 388,824.51 and 170,536.02

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Solution

The fourth proportional to 259,552.98, 388,824.51 and 170,536.02 is: 255,472.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,552.98 : 388,824.51 = 170,536.02 : x
  2. Step 2: Convert to fraction form
    259,552.98/388,824.51 = 170,536.02/x
  3. Step 3: Cross multiply
    259,552.98x = 388,824.51 × 170,536.02
  4. Step 4: Simplify right side
    259,552.98x = 66,308,584,413.85
  5. Step 5: Solve for x
    x = 66,308,584,413.85/259,552.98
  6. Step 6: Final answer
    x = 255,472.25

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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.