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Finding the Fourth Proportional to 202,672.99, 279,650.23 and 127,187.47

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Solution

The fourth proportional to 202,672.99, 279,650.23 and 127,187.47 is: 175,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,672.99 : 279,650.23 = 127,187.47 : x
  2. Step 2: Convert to fraction form
    202,672.99/279,650.23 = 127,187.47/x
  3. Step 3: Cross multiply
    202,672.99x = 279,650.23 × 127,187.47
  4. Step 4: Simplify right side
    202,672.99x = 35,568,005,238.62
  5. Step 5: Solve for x
    x = 35,568,005,238.62/202,672.99
  6. Step 6: Final answer
    x = 175,494.55

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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.