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Finding the Fourth Proportional to 75,608.75, 113,413.13 and 26,360.75

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Solution

The fourth proportional to 75,608.75, 113,413.13 and 26,360.75 is: 39,541.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,608.75 : 113,413.13 = 26,360.75 : x
  2. Step 2: Convert to fraction form
    75,608.75/113,413.13 = 26,360.75/x
  3. Step 3: Cross multiply
    75,608.75x = 113,413.13 × 26,360.75
  4. Step 4: Simplify right side
    75,608.75x = 2,989,655,166.65
  5. Step 5: Solve for x
    x = 2,989,655,166.65/75,608.75
  6. Step 6: Final answer
    x = 39,541.13

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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.