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Finding the Fourth Proportional to 202,673.57, 279,684.60 and 112,027.20

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Solution

The fourth proportional to 202,673.57, 279,684.60 and 112,027.20 is: 154,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,673.57 : 279,684.60 = 112,027.20 : x
  2. Step 2: Convert to fraction form
    202,673.57/279,684.60 = 112,027.20/x
  3. Step 3: Cross multiply
    202,673.57x = 279,684.60 × 112,027.20
  4. Step 4: Simplify right side
    202,673.57x = 31,332,282,201.02
  5. Step 5: Solve for x
    x = 31,332,282,201.02/202,673.57
  6. Step 6: Final answer
    x = 154,594.81

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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.