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Finding the Fourth Proportional to 173,093.40, 259,640.10 and 164,928.60

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Solution

The fourth proportional to 173,093.40, 259,640.10 and 164,928.60 is: 247,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,093.40 : 259,640.10 = 164,928.60 : x
  2. Step 2: Convert to fraction form
    173,093.40/259,640.10 = 164,928.60/x
  3. Step 3: Cross multiply
    173,093.40x = 259,640.10 × 164,928.60
  4. Step 4: Simplify right side
    173,093.40x = 42,822,078,196.86
  5. Step 5: Solve for x
    x = 42,822,078,196.86/173,093.40
  6. Step 6: Final answer
    x = 247,392.90

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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.