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Finding the Fourth Proportional to 173,107.40, 259,661.10 and 164,942.60

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Solution

The fourth proportional to 173,107.40, 259,661.10 and 164,942.60 is: 247,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,107.40 : 259,661.10 = 164,942.60 : x
  2. Step 2: Convert to fraction form
    173,107.40/259,661.10 = 164,942.60/x
  3. Step 3: Cross multiply
    173,107.40x = 259,661.10 × 164,942.60
  4. Step 4: Simplify right side
    173,107.40x = 42,829,176,952.86
  5. Step 5: Solve for x
    x = 42,829,176,952.86/173,107.40
  6. Step 6: Final answer
    x = 247,413.90

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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.