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Finding the Fourth Proportional to 248,894.60, 373,341.90 and 178,910.60

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Solution

The fourth proportional to 248,894.60, 373,341.90 and 178,910.60 is: 268,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,894.60 : 373,341.90 = 178,910.60 : x
  2. Step 2: Convert to fraction form
    248,894.60/373,341.90 = 178,910.60/x
  3. Step 3: Cross multiply
    248,894.60x = 373,341.90 × 178,910.60
  4. Step 4: Simplify right side
    248,894.60x = 66,794,823,334.14
  5. Step 5: Solve for x
    x = 66,794,823,334.14/248,894.60
  6. Step 6: Final answer
    x = 268,365.90

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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.