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Finding the Fourth Proportional to 104,194.67, 143,786.66 and 58,254.12

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Solution

The fourth proportional to 104,194.67, 143,786.66 and 58,254.12 is: 80,389.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,194.67 : 143,786.66 = 58,254.12 : x
  2. Step 2: Convert to fraction form
    104,194.67/143,786.66 = 58,254.12/x
  3. Step 3: Cross multiply
    104,194.67x = 143,786.66 × 58,254.12
  4. Step 4: Simplify right side
    104,194.67x = 8,376,165,054.77
  5. Step 5: Solve for x
    x = 8,376,165,054.77/104,194.67
  6. Step 6: Final answer
    x = 80,389.58

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Double scale
Find fourth proportional to 104,195.67, 143,788.03 and 58,255.12
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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.