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Finding the Fourth Proportional to 308,052, 462,078 and 111,060

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Solution

The fourth proportional to 308,052, 462,078 and 111,060 is: 166,590

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,052 : 462,078 = 111,060 : x
  2. Step 2: Convert to fraction form
    308,052/462,078 = 111,060/x
  3. Step 3: Cross multiply
    308,052x = 462,078 × 111,060
  4. Step 4: Simplify right side
    308,052x = 51,318,382,680
  5. Step 5: Solve for x
    x = 51,318,382,680/308,052
  6. Step 6: Final answer
    x = 166,590

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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.