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Finding the Fourth Proportional to 202,893.44, 279,998.88 and 111,018.24

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Solution

The fourth proportional to 202,893.44, 279,998.88 and 111,018.24 is: 153,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,893.44 : 279,998.88 = 111,018.24 : x
  2. Step 2: Convert to fraction form
    202,893.44/279,998.88 = 111,018.24/x
  3. Step 3: Cross multiply
    202,893.44x = 279,998.88 × 111,018.24
  4. Step 4: Simplify right side
    202,893.44x = 31,084,982,859.57
  5. Step 5: Solve for x
    x = 31,084,982,859.57/202,893.44
  6. Step 6: Final answer
    x = 153,208.42

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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.