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Finding the Fourth Proportional to 262,604.85, 393,977.07 and 94,142.22

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Solution

The fourth proportional to 262,604.85, 393,977.07 and 94,142.22 is: 141,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,604.85 : 393,977.07 = 94,142.22 : x
  2. Step 2: Convert to fraction form
    262,604.85/393,977.07 = 94,142.22/x
  3. Step 3: Cross multiply
    262,604.85x = 393,977.07 × 94,142.22
  4. Step 4: Simplify right side
    262,604.85x = 37,089,875,998.90
  5. Step 5: Solve for x
    x = 37,089,875,998.90/262,604.85
  6. Step 6: Final answer
    x = 141,238.35

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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.