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Finding the Fourth Proportional to 208,164.28, 312,247.22 and 50,392.48

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Solution

The fourth proportional to 208,164.28, 312,247.22 and 50,392.48 is: 75,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,164.28 : 312,247.22 = 50,392.48 : x
  2. Step 2: Convert to fraction form
    208,164.28/312,247.22 = 50,392.48/x
  3. Step 3: Cross multiply
    208,164.28x = 312,247.22 × 50,392.48
  4. Step 4: Simplify right side
    208,164.28x = 15,734,911,788.91
  5. Step 5: Solve for x
    x = 15,734,911,788.91/208,164.28
  6. Step 6: Final answer
    x = 75,588.91

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1.5x scale

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.