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Finding the Fourth Proportional to 88,674.96, 122,360.42 and 56,413.28

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Solution

The fourth proportional to 88,674.96, 122,360.42 and 56,413.28 is: 77,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,674.96 : 122,360.42 = 56,413.28 : x
  2. Step 2: Convert to fraction form
    88,674.96/122,360.42 = 56,413.28/x
  3. Step 3: Cross multiply
    88,674.96x = 122,360.42 × 56,413.28
  4. Step 4: Simplify right side
    88,674.96x = 6,902,752,634.38
  5. Step 5: Solve for x
    x = 6,902,752,634.38/88,674.96
  6. Step 6: Final answer
    x = 77,843.31

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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.