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Finding the Fourth Proportional to 72,702.01, 100,334.06 and 44,413.03

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Solution

The fourth proportional to 72,702.01, 100,334.06 and 44,413.03 is: 61,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,702.01 : 100,334.06 = 44,413.03 : x
  2. Step 2: Convert to fraction form
    72,702.01/100,334.06 = 44,413.03/x
  3. Step 3: Cross multiply
    72,702.01x = 100,334.06 × 44,413.03
  4. Step 4: Simplify right side
    72,702.01x = 4,456,139,616.80
  5. Step 5: Solve for x
    x = 4,456,139,616.80/72,702.01
  6. Step 6: Final answer
    x = 61,293.21

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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.