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Finding the Fourth Proportional to 293,230.94, 439,854.60 and 103,664.54

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Solution

The fourth proportional to 293,230.94, 439,854.60 and 103,664.54 is: 155,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,230.94 : 439,854.60 = 103,664.54 : x
  2. Step 2: Convert to fraction form
    293,230.94/439,854.60 = 103,664.54/x
  3. Step 3: Cross multiply
    293,230.94x = 439,854.60 × 103,664.54
  4. Step 4: Simplify right side
    293,230.94x = 45,597,324,775.88
  5. Step 5: Solve for x
    x = 45,597,324,775.88/293,230.94
  6. Step 6: Final answer
    x = 155,499.71

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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.