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Finding the Fourth Proportional to 248,940.66, 343,524.60 and 141,495.78

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Solution

The fourth proportional to 248,940.66, 343,524.60 and 141,495.78 is: 195,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,940.66 : 343,524.60 = 141,495.78 : x
  2. Step 2: Convert to fraction form
    248,940.66/343,524.60 = 141,495.78/x
  3. Step 3: Cross multiply
    248,940.66x = 343,524.60 × 141,495.78
  4. Step 4: Simplify right side
    248,940.66x = 48,607,281,226.19
  5. Step 5: Solve for x
    x = 48,607,281,226.19/248,940.66
  6. Step 6: Final answer
    x = 195,256.50

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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.