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Finding the Fourth Proportional to 148,356, 222,561.90 and 59,616.54

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Solution

The fourth proportional to 148,356, 222,561.90 and 59,616.54 is: 89,436.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,356 : 222,561.90 = 59,616.54 : x
  2. Step 2: Convert to fraction form
    148,356/222,561.90 = 59,616.54/x
  3. Step 3: Cross multiply
    148,356x = 222,561.90 × 59,616.54
  4. Step 4: Simplify right side
    148,356x = 13,268,370,413.83
  5. Step 5: Solve for x
    x = 13,268,370,413.83/148,356
  6. Step 6: Final answer
    x = 89,436.02

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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.