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Finding the Fourth Proportional to 246,709.48, 370,087.44 and 69,215.80

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Solution

The fourth proportional to 246,709.48, 370,087.44 and 69,215.80 is: 103,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,709.48 : 370,087.44 = 69,215.80 : x
  2. Step 2: Convert to fraction form
    246,709.48/370,087.44 = 69,215.80/x
  3. Step 3: Cross multiply
    246,709.48x = 370,087.44 × 69,215.80
  4. Step 4: Simplify right side
    246,709.48x = 25,615,898,229.55
  5. Step 5: Solve for x
    x = 25,615,898,229.55/246,709.48
  6. Step 6: Final answer
    x = 103,830.21

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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.