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Finding the Fourth Proportional to 182,648.78, 274,028.55 and 129,443.63

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Solution

The fourth proportional to 182,648.78, 274,028.55 and 129,443.63 is: 194,204.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,648.78 : 274,028.55 = 129,443.63 : x
  2. Step 2: Convert to fraction form
    182,648.78/274,028.55 = 129,443.63/x
  3. Step 3: Cross multiply
    182,648.78x = 274,028.55 × 129,443.63
  4. Step 4: Simplify right side
    182,648.78x = 35,471,250,235.64
  5. Step 5: Solve for x
    x = 35,471,250,235.64/182,648.78
  6. Step 6: Final answer
    x = 194,204.69

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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.