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Finding the Fourth Proportional to 45,137.95, 68,017.32 and 37,413.96

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Solution

The fourth proportional to 45,137.95, 68,017.32 and 37,413.96 is: 56,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,137.95 : 68,017.32 = 37,413.96 : x
  2. Step 2: Convert to fraction form
    45,137.95/68,017.32 = 37,413.96/x
  3. Step 3: Cross multiply
    45,137.95x = 68,017.32 × 37,413.96
  4. Step 4: Simplify right side
    45,137.95x = 2,544,797,289.79
  5. Step 5: Solve for x
    x = 2,544,797,289.79/45,137.95
  6. Step 6: Final answer
    x = 56,378.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.