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Finding the Fourth Proportional to 235,665.41, 353,493.33 and 58,173.96

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Solution

The fourth proportional to 235,665.41, 353,493.33 and 58,173.96 is: 87,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,665.41 : 353,493.33 = 58,173.96 : x
  2. Step 2: Convert to fraction form
    235,665.41/353,493.33 = 58,173.96/x
  3. Step 3: Cross multiply
    235,665.41x = 353,493.33 × 58,173.96
  4. Step 4: Simplify right side
    235,665.41x = 20,564,106,839.69
  5. Step 5: Solve for x
    x = 20,564,106,839.69/235,665.41
  6. Step 6: Final answer
    x = 87,259.76

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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.