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Finding the Fourth Proportional to 246,924.70, 370,387.18 and 69,431.71

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Solution

The fourth proportional to 246,924.70, 370,387.18 and 69,431.71 is: 104,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,924.70 : 370,387.18 = 69,431.71 : x
  2. Step 2: Convert to fraction form
    246,924.70/370,387.18 = 69,431.71/x
  3. Step 3: Cross multiply
    246,924.70x = 370,387.18 × 69,431.71
  4. Step 4: Simplify right side
    246,924.70x = 25,716,615,124.78
  5. Step 5: Solve for x
    x = 25,716,615,124.78/246,924.70
  6. Step 6: Final answer
    x = 104,147.60

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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.