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Finding the Fourth Proportional to 202,076.72, 302,363.90 and 126,844.73

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Solution

The fourth proportional to 202,076.72, 302,363.90 and 126,844.73 is: 189,795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,076.72 : 302,363.90 = 126,844.73 : x
  2. Step 2: Convert to fraction form
    202,076.72/302,363.90 = 126,844.73/x
  3. Step 3: Cross multiply
    202,076.72x = 302,363.90 × 126,844.73
  4. Step 4: Simplify right side
    202,076.72x = 38,353,265,111.20
  5. Step 5: Solve for x
    x = 38,353,265,111.20/202,076.72
  6. Step 6: Final answer
    x = 189,795.57

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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.