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Finding the Fourth Proportional to 74,469.70, 104,024.30 and 74,469.70

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Solution

The fourth proportional to 74,469.70, 104,024.30 and 74,469.70 is: 104,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,469.70 : 104,024.30 = 74,469.70 : x
  2. Step 2: Convert to fraction form
    74,469.70/104,024.30 = 74,469.70/x
  3. Step 3: Cross multiply
    74,469.70x = 104,024.30 × 74,469.70
  4. Step 4: Simplify right side
    74,469.70x = 7,746,658,413.71
  5. Step 5: Solve for x
    x = 7,746,658,413.71/74,469.70
  6. Step 6: Final answer
    x = 104,024.30

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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.