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Finding the Fourth Proportional to 227,643.01, 341,481.02 and 87,401.63

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Solution

The fourth proportional to 227,643.01, 341,481.02 and 87,401.63 is: 131,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,643.01 : 341,481.02 = 87,401.63 : x
  2. Step 2: Convert to fraction form
    227,643.01/341,481.02 = 87,401.63/x
  3. Step 3: Cross multiply
    227,643.01x = 341,481.02 × 87,401.63
  4. Step 4: Simplify right side
    227,643.01x = 29,845,998,178.76
  5. Step 5: Solve for x
    x = 29,845,998,178.76/227,643.01
  6. Step 6: Final answer
    x = 131,108.79

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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.