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Finding the Fourth Proportional to 182,647.78, 274,027.05 and 129,442.63

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Solution

The fourth proportional to 182,647.78, 274,027.05 and 129,442.63 is: 194,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,647.78 : 274,027.05 = 129,442.63 : x
  2. Step 2: Convert to fraction form
    182,647.78/274,027.05 = 129,442.63/x
  3. Step 3: Cross multiply
    182,647.78x = 274,027.05 × 129,442.63
  4. Step 4: Simplify right side
    182,647.78x = 35,470,782,043.14
  5. Step 5: Solve for x
    x = 35,470,782,043.14/182,647.78
  6. Step 6: Final answer
    x = 194,203.19

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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.