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Finding the Fourth Proportional to 104,093.34, 143,640.44 and 58,782.34

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Solution

The fourth proportional to 104,093.34, 143,640.44 and 58,782.34 is: 81,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,093.34 : 143,640.44 = 58,782.34 : x
  2. Step 2: Convert to fraction form
    104,093.34/143,640.44 = 58,782.34/x
  3. Step 3: Cross multiply
    104,093.34x = 143,640.44 × 58,782.34
  4. Step 4: Simplify right side
    104,093.34x = 8,443,520,887.92
  5. Step 5: Solve for x
    x = 8,443,520,887.92/104,093.34
  6. Step 6: Final answer
    x = 81,114.90

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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.