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Finding the Fourth Proportional to 202,783.92, 279,862.83 and 116,745.96

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Solution

The fourth proportional to 202,783.92, 279,862.83 and 116,745.96 is: 161,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,783.92 : 279,862.83 = 116,745.96 : x
  2. Step 2: Convert to fraction form
    202,783.92/279,862.83 = 116,745.96/x
  3. Step 3: Cross multiply
    202,783.92x = 279,862.83 × 116,745.96
  4. Step 4: Simplify right side
    202,783.92x = 32,672,854,756.67
  5. Step 5: Solve for x
    x = 32,672,854,756.67/202,783.92
  6. Step 6: Final answer
    x = 161,121.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.