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Finding the Fourth Proportional to 183.65, 275.46 and 46.69

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Solution

The fourth proportional to 183.65, 275.46 and 46.69 is: 70.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.65 : 275.46 = 46.69 : x
  2. Step 2: Convert to fraction form
    183.65/275.46 = 46.69/x
  3. Step 3: Cross multiply
    183.65x = 275.46 × 46.69
  4. Step 4: Simplify right side
    183.65x = 12,861.23
  5. Step 5: Solve for x
    x = 12,861.23/183.65
  6. Step 6: Final answer
    x = 70.03

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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.