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Finding the Fourth Proportional to 246,506.22, 369,722.19 and 78,004.62

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Solution

The fourth proportional to 246,506.22, 369,722.19 and 78,004.62 is: 116,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,506.22 : 369,722.19 = 78,004.62 : x
  2. Step 2: Convert to fraction form
    246,506.22/369,722.19 = 78,004.62/x
  3. Step 3: Cross multiply
    246,506.22x = 369,722.19 × 78,004.62
  4. Step 4: Simplify right side
    246,506.22x = 28,840,038,936.52
  5. Step 5: Solve for x
    x = 28,840,038,936.52/246,506.22
  6. Step 6: Final answer
    x = 116,995.18

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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.