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Finding the Fourth Proportional to 225,670.85, 311,460.08 and 144,034.37

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Solution

The fourth proportional to 225,670.85, 311,460.08 and 144,034.37 is: 198,789.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,670.85 : 311,460.08 = 144,034.37 : x
  2. Step 2: Convert to fraction form
    225,670.85/311,460.08 = 144,034.37/x
  3. Step 3: Cross multiply
    225,670.85x = 311,460.08 × 144,034.37
  4. Step 4: Simplify right side
    225,670.85x = 44,860,954,125.48
  5. Step 5: Solve for x
    x = 44,860,954,125.48/225,670.85
  6. Step 6: Final answer
    x = 198,789.32

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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.