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Finding the Fourth Proportional to 237,479.27, 356,255.77 and 79,744.63

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Solution

The fourth proportional to 237,479.27, 356,255.77 and 79,744.63 is: 119,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,479.27 : 356,255.77 = 79,744.63 : x
  2. Step 2: Convert to fraction form
    237,479.27/356,255.77 = 79,744.63/x
  3. Step 3: Cross multiply
    237,479.27x = 356,255.77 × 79,744.63
  4. Step 4: Simplify right side
    237,479.27x = 28,409,483,289.55
  5. Step 5: Solve for x
    x = 28,409,483,289.55/237,479.27
  6. Step 6: Final answer
    x = 119,629.32

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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.