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Finding the Fourth Proportional to 104,305.25, 143,944.07 and 58,990.01

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Solution

The fourth proportional to 104,305.25, 143,944.07 and 58,990.01 is: 81,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,305.25 : 143,944.07 = 58,990.01 : x
  2. Step 2: Convert to fraction form
    104,305.25/143,944.07 = 58,990.01/x
  3. Step 3: Cross multiply
    104,305.25x = 143,944.07 × 58,990.01
  4. Step 4: Simplify right side
    104,305.25x = 8,491,261,114.07
  5. Step 5: Solve for x
    x = 8,491,261,114.07/104,305.25
  6. Step 6: Final answer
    x = 81,407.80

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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.