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Finding the Fourth Proportional to 248,762.70, 343,289.67 and 141,330.44

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Solution

The fourth proportional to 248,762.70, 343,289.67 and 141,330.44 is: 195,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,762.70 : 343,289.67 = 141,330.44 : x
  2. Step 2: Convert to fraction form
    248,762.70/343,289.67 = 141,330.44/x
  3. Step 3: Cross multiply
    248,762.70x = 343,289.67 × 141,330.44
  4. Step 4: Simplify right side
    248,762.70x = 48,517,278,392.11
  5. Step 5: Solve for x
    x = 48,517,278,392.11/248,762.70
  6. Step 6: Final answer
    x = 195,034.38

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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.