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Finding the Fourth Proportional to 270,887.70, 373,814 and 150,021.78

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Solution

The fourth proportional to 270,887.70, 373,814 and 150,021.78 is: 207,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,887.70 : 373,814 = 150,021.78 : x
  2. Step 2: Convert to fraction form
    270,887.70/373,814 = 150,021.78/x
  3. Step 3: Cross multiply
    270,887.70x = 373,814 × 150,021.78
  4. Step 4: Simplify right side
    270,887.70x = 56,080,241,668.92
  5. Step 5: Solve for x
    x = 56,080,241,668.92/270,887.70
  6. Step 6: Final answer
    x = 207,023.95

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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.