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Finding the Fourth Proportional to 104,168.14, 143,741.76 and 58,219.30

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Solution

The fourth proportional to 104,168.14, 143,741.76 and 58,219.30 is: 80,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,168.14 : 143,741.76 = 58,219.30 : x
  2. Step 2: Convert to fraction form
    104,168.14/143,741.76 = 58,219.30/x
  3. Step 3: Cross multiply
    104,168.14x = 143,741.76 × 58,219.30
  4. Step 4: Simplify right side
    104,168.14x = 8,368,544,647.97
  5. Step 5: Solve for x
    x = 8,368,544,647.97/104,168.14
  6. Step 6: Final answer
    x = 80,336.89

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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.