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Finding the Fourth Proportional to 29,378,630.80, 43,968,413.40 and 29,378,630.80

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Solution

The fourth proportional to 29,378,630.80, 43,968,413.40 and 29,378,630.80 is: 43,968,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,378,630.80 : 43,968,413.40 = 29,378,630.80 : x
  2. Step 2: Convert to fraction form
    29,378,630.80/43,968,413.40 = 29,378,630.80/x
  3. Step 3: Cross multiply
    29,378,630.80x = 43,968,413.40 × 29,378,630.80
  4. Step 4: Simplify right side
    29,378,630.80x = 1,291,731,784,140,372.75
  5. Step 5: Solve for x
    x = 1,291,731,784,140,372.75/29,378,630.80
  6. Step 6: Final answer
    x = 43,968,413.40

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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.