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Finding the Fourth Proportional to 289,704.00, 434,748.82 and 119,065.65

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Solution

The fourth proportional to 289,704.00, 434,748.82 and 119,065.65 is: 178,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,704.00 : 434,748.82 = 119,065.65 : x
  2. Step 2: Convert to fraction form
    289,704.00/434,748.82 = 119,065.65/x
  3. Step 3: Cross multiply
    289,704.00x = 434,748.82 × 119,065.65
  4. Step 4: Simplify right side
    289,704.00x = 51,763,652,803.50
  5. Step 5: Solve for x
    x = 51,763,652,803.50/289,704.00
  6. Step 6: Final answer
    x = 178,677.73

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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.