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Finding the Fourth Proportional to 149,413.91, 224,137.27 and 74,552.90

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Solution

The fourth proportional to 149,413.91, 224,137.27 and 74,552.90 is: 111,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,413.91 : 224,137.27 = 74,552.90 : x
  2. Step 2: Convert to fraction form
    149,413.91/224,137.27 = 74,552.90/x
  3. Step 3: Cross multiply
    149,413.91x = 224,137.27 × 74,552.90
  4. Step 4: Simplify right side
    149,413.91x = 16,710,083,476.58
  5. Step 5: Solve for x
    x = 16,710,083,476.58/149,413.91
  6. Step 6: Final answer
    x = 111,837.54

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1.5x scale

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.