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Finding the Fourth Proportional to 72,793.51, 109,193.37 and 25,413.37

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Solution

The fourth proportional to 72,793.51, 109,193.37 and 25,413.37 is: 38,121.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,793.51 : 109,193.37 = 25,413.37 : x
  2. Step 2: Convert to fraction form
    72,793.51/109,193.37 = 25,413.37/x
  3. Step 3: Cross multiply
    72,793.51x = 109,193.37 × 25,413.37
  4. Step 4: Simplify right side
    72,793.51x = 2,774,971,513.36
  5. Step 5: Solve for x
    x = 2,774,971,513.36/72,793.51
  6. Step 6: Final answer
    x = 38,121.14

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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.