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Finding the Fourth Proportional to 104,043.01, 143,579.85 and 58,722.90

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Solution

The fourth proportional to 104,043.01, 143,579.85 and 58,722.90 is: 81,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,043.01 : 143,579.85 = 58,722.90 : x
  2. Step 2: Convert to fraction form
    104,043.01/143,579.85 = 58,722.90/x
  3. Step 3: Cross multiply
    104,043.01x = 143,579.85 × 58,722.90
  4. Step 4: Simplify right side
    104,043.01x = 8,431,424,879.95
  5. Step 5: Solve for x
    x = 8,431,424,879.95/104,043.01
  6. Step 6: Final answer
    x = 81,037.88

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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.