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Finding the Fourth Proportional to 246,979.89, 370,469.84 and 69,486.81

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Solution

The fourth proportional to 246,979.89, 370,469.84 and 69,486.81 is: 104,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,979.89 : 370,469.84 = 69,486.81 : x
  2. Step 2: Convert to fraction form
    246,979.89/370,469.84 = 69,486.81/x
  3. Step 3: Cross multiply
    246,979.89x = 370,469.84 × 69,486.81
  4. Step 4: Simplify right side
    246,979.89x = 25,742,767,035.38
  5. Step 5: Solve for x
    x = 25,742,767,035.38/246,979.89
  6. Step 6: Final answer
    x = 104,230.22

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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.