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Finding the Fourth Proportional to 104,169.14, 143,743.14 and 58,220.30

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Solution

The fourth proportional to 104,169.14, 143,743.14 and 58,220.30 is: 80,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,169.14 : 143,743.14 = 58,220.30 : x
  2. Step 2: Convert to fraction form
    104,169.14/143,743.14 = 58,220.30/x
  3. Step 3: Cross multiply
    104,169.14x = 143,743.14 × 58,220.30
  4. Step 4: Simplify right side
    104,169.14x = 8,368,768,733.74
  5. Step 5: Solve for x
    x = 8,368,768,733.74/104,169.14
  6. Step 6: Final answer
    x = 80,338.27

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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.