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Finding the Fourth Proportional to 73,107,615.60, 109,703,413.80 and 27,701,996.40

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Solution

The fourth proportional to 73,107,615.60, 109,703,413.80 and 27,701,996.40 is: 41,568,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,107,615.60 : 109,703,413.80 = 27,701,996.40 : x
  2. Step 2: Convert to fraction form
    73,107,615.60/109,703,413.80 = 27,701,996.40/x
  3. Step 3: Cross multiply
    73,107,615.60x = 109,703,413.80 × 27,701,996.40
  4. Step 4: Simplify right side
    73,107,615.60x = 3,039,003,574,155,310
  5. Step 5: Solve for x
    x = 3,039,003,574,155,310/73,107,615.60
  6. Step 6: Final answer
    x = 41,568,905.64

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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.