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Finding the Fourth Proportional to 234,855.05, 352,294.85 and 178,783.07

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Solution

The fourth proportional to 234,855.05, 352,294.85 and 178,783.07 is: 268,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,855.05 : 352,294.85 = 178,783.07 : x
  2. Step 2: Convert to fraction form
    234,855.05/352,294.85 = 178,783.07/x
  3. Step 3: Cross multiply
    234,855.05x = 352,294.85 × 178,783.07
  4. Step 4: Simplify right side
    234,855.05x = 62,984,353,513.67
  5. Step 5: Solve for x
    x = 62,984,353,513.67/234,855.05
  6. Step 6: Final answer
    x = 268,183.95

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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.