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Finding the Fourth Proportional to 85,008.92, 117,309.87 and 46,245.52

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Solution

The fourth proportional to 85,008.92, 117,309.87 and 46,245.52 is: 63,817.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,008.92 : 117,309.87 = 46,245.52 : x
  2. Step 2: Convert to fraction form
    85,008.92/117,309.87 = 46,245.52/x
  3. Step 3: Cross multiply
    85,008.92x = 117,309.87 × 46,245.52
  4. Step 4: Simplify right side
    85,008.92x = 5,425,055,708.05
  5. Step 5: Solve for x
    x = 5,425,055,708.05/85,008.92
  6. Step 6: Final answer
    x = 63,817.49

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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.