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Finding the Fourth Proportional to 202,201.83, 279,036.77 and 111,558.60

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Solution

The fourth proportional to 202,201.83, 279,036.77 and 111,558.60 is: 153,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,201.83 : 279,036.77 = 111,558.60 : x
  2. Step 2: Convert to fraction form
    202,201.83/279,036.77 = 111,558.60/x
  3. Step 3: Cross multiply
    202,201.83x = 279,036.77 × 111,558.60
  4. Step 4: Simplify right side
    202,201.83x = 31,128,950,851.93
  5. Step 5: Solve for x
    x = 31,128,950,851.93/202,201.83
  6. Step 6: Final answer
    x = 153,949.90

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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.