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Finding the Fourth Proportional to 202,107.90, 302,833.80 and 127,093.80

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Solution

The fourth proportional to 202,107.90, 302,833.80 and 127,093.80 is: 190,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,107.90 : 302,833.80 = 127,093.80 : x
  2. Step 2: Convert to fraction form
    202,107.90/302,833.80 = 127,093.80/x
  3. Step 3: Cross multiply
    202,107.90x = 302,833.80 × 127,093.80
  4. Step 4: Simplify right side
    202,107.90x = 38,488,298,410.44
  5. Step 5: Solve for x
    x = 38,488,298,410.44/202,107.90
  6. Step 6: Final answer
    x = 190,434.41

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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.