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Finding the Fourth Proportional to 242,498.55, 334,532.09 and 188,413.44

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Solution

The fourth proportional to 242,498.55, 334,532.09 and 188,413.44 is: 259,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,498.55 : 334,532.09 = 188,413.44 : x
  2. Step 2: Convert to fraction form
    242,498.55/334,532.09 = 188,413.44/x
  3. Step 3: Cross multiply
    242,498.55x = 334,532.09 × 188,413.44
  4. Step 4: Simplify right side
    242,498.55x = 63,030,341,083.83
  5. Step 5: Solve for x
    x = 63,030,341,083.83/242,498.55
  6. Step 6: Final answer
    x = 259,920.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.