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Finding the Fourth Proportional to 62,440.70, 93,661.05 and 43,413.80

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Solution

The fourth proportional to 62,440.70, 93,661.05 and 43,413.80 is: 65,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,440.70 : 93,661.05 = 43,413.80 : x
  2. Step 2: Convert to fraction form
    62,440.70/93,661.05 = 43,413.80/x
  3. Step 3: Cross multiply
    62,440.70x = 93,661.05 × 43,413.80
  4. Step 4: Simplify right side
    62,440.70x = 4,066,182,092.49
  5. Step 5: Solve for x
    x = 4,066,182,092.49/62,440.70
  6. Step 6: Final answer
    x = 65,120.70

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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.