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Finding the Fourth Proportional to 72,413.44, 99,930.56 and 44,119.12

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Solution

The fourth proportional to 72,413.44, 99,930.56 and 44,119.12 is: 60,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,413.44 : 99,930.56 = 44,119.12 : x
  2. Step 2: Convert to fraction form
    72,413.44/99,930.56 = 44,119.12/x
  3. Step 3: Cross multiply
    72,413.44x = 99,930.56 × 44,119.12
  4. Step 4: Simplify right side
    72,413.44x = 4,408,848,368.31
  5. Step 5: Solve for x
    x = 4,408,848,368.31/72,413.44
  6. Step 6: Final answer
    x = 60,884.39

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1.5x scale

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.