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Finding the Fourth Proportional to 113,338,413.80, 158,976,110.20 and 113,338,413.80

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Solution

The fourth proportional to 113,338,413.80, 158,976,110.20 and 113,338,413.80 is: 158,976,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,338,413.80 : 158,976,110.20 = 113,338,413.80 : x
  2. Step 2: Convert to fraction form
    113,338,413.80/158,976,110.20 = 113,338,413.80/x
  3. Step 3: Cross multiply
    113,338,413.80x = 158,976,110.20 × 113,338,413.80
  4. Step 4: Simplify right side
    113,338,413.80x = 18,018,100,162,162,000
  5. Step 5: Solve for x
    x = 18,018,100,162,162,000/113,338,413.80
  6. Step 6: Final answer
    x = 158,976,110.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.