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Finding the Fourth Proportional to 241,959.64, 333,905.70 and 134,539.78

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Solution

The fourth proportional to 241,959.64, 333,905.70 and 134,539.78 is: 185,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,959.64 : 333,905.70 = 134,539.78 : x
  2. Step 2: Convert to fraction form
    241,959.64/333,905.70 = 134,539.78/x
  3. Step 3: Cross multiply
    241,959.64x = 333,905.70 × 134,539.78
  4. Step 4: Simplify right side
    241,959.64x = 44,923,599,418.75
  5. Step 5: Solve for x
    x = 44,923,599,418.75/241,959.64
  6. Step 6: Final answer
    x = 185,665.67

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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.