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Finding the Fourth Proportional to 62,267.64, 93,464.99 and 45,578.09

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Solution

The fourth proportional to 62,267.64, 93,464.99 and 45,578.09 is: 68,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,267.64 : 93,464.99 = 45,578.09 : x
  2. Step 2: Convert to fraction form
    62,267.64/93,464.99 = 45,578.09/x
  3. Step 3: Cross multiply
    62,267.64x = 93,464.99 × 45,578.09
  4. Step 4: Simplify right side
    62,267.64x = 4,259,955,902.76
  5. Step 5: Solve for x
    x = 4,259,955,902.76/62,267.64
  6. Step 6: Final answer
    x = 68,413.64

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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.