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Finding the Fourth Proportional to 267,846.45, 369,601.18 and 160,413.72

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Solution

The fourth proportional to 267,846.45, 369,601.18 and 160,413.72 is: 221,354.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,846.45 : 369,601.18 = 160,413.72 : x
  2. Step 2: Convert to fraction form
    267,846.45/369,601.18 = 160,413.72/x
  3. Step 3: Cross multiply
    267,846.45x = 369,601.18 × 160,413.72
  4. Step 4: Simplify right side
    267,846.45x = 59,289,098,413.15
  5. Step 5: Solve for x
    x = 59,289,098,413.15/267,846.45
  6. Step 6: Final answer
    x = 221,354.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.