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Finding the Fourth Proportional to 85,648.79, 118,198.49 and 46,889.33

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Solution

The fourth proportional to 85,648.79, 118,198.49 and 46,889.33 is: 64,709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,648.79 : 118,198.49 = 46,889.33 : x
  2. Step 2: Convert to fraction form
    85,648.79/118,198.49 = 46,889.33/x
  3. Step 3: Cross multiply
    85,648.79x = 118,198.49 × 46,889.33
  4. Step 4: Simplify right side
    85,648.79x = 5,542,247,177.67
  5. Step 5: Solve for x
    x = 5,542,247,177.67/85,648.79
  6. Step 6: Final answer
    x = 64,709.00

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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.