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Finding the Fourth Proportional to 207,927.52, 311,922 and 60,164.32

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Solution

The fourth proportional to 207,927.52, 311,922 and 60,164.32 is: 90,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,927.52 : 311,922 = 60,164.32 : x
  2. Step 2: Convert to fraction form
    207,927.52/311,922 = 60,164.32/x
  3. Step 3: Cross multiply
    207,927.52x = 311,922 × 60,164.32
  4. Step 4: Simplify right side
    207,927.52x = 18,766,575,023.04
  5. Step 5: Solve for x
    x = 18,766,575,023.04/207,927.52
  6. Step 6: Final answer
    x = 90,255.37

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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.