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Finding the Fourth Proportional to 104,230.70, 143,797.27 and 67,974.38

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Solution

The fourth proportional to 104,230.70, 143,797.27 and 67,974.38 is: 93,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,230.70 : 143,797.27 = 67,974.38 : x
  2. Step 2: Convert to fraction form
    104,230.70/143,797.27 = 67,974.38/x
  3. Step 3: Cross multiply
    104,230.70x = 143,797.27 × 67,974.38
  4. Step 4: Simplify right side
    104,230.70x = 9,774,529,385.02
  5. Step 5: Solve for x
    x = 9,774,529,385.02/104,230.70
  6. Step 6: Final answer
    x = 93,777.84

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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.