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Finding the Fourth Proportional to 293,390.60, 440,183.10 and 93,741.80

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Solution

The fourth proportional to 293,390.60, 440,183.10 and 93,741.80 is: 140,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,390.60 : 440,183.10 = 93,741.80 : x
  2. Step 2: Convert to fraction form
    293,390.60/440,183.10 = 93,741.80/x
  3. Step 3: Cross multiply
    293,390.60x = 440,183.10 × 93,741.80
  4. Step 4: Simplify right side
    293,390.60x = 41,263,556,123.58
  5. Step 5: Solve for x
    x = 41,263,556,123.58/293,390.60
  6. Step 6: Final answer
    x = 140,643.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.