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Finding the Fourth Proportional to 62,343.20, 93,745.20 and 52,205.60

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Solution

The fourth proportional to 62,343.20, 93,745.20 and 52,205.60 is: 78,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,343.20 : 93,745.20 = 52,205.60 : x
  2. Step 2: Convert to fraction form
    62,343.20/93,745.20 = 52,205.60/x
  3. Step 3: Cross multiply
    62,343.20x = 93,745.20 × 52,205.60
  4. Step 4: Simplify right side
    62,343.20x = 4,894,024,413.12
  5. Step 5: Solve for x
    x = 4,894,024,413.12/62,343.20
  6. Step 6: Final answer
    x = 78,501.33

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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.