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Finding the Fourth Proportional to 246,812.68, 340,564.68 and 139,380.58

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Solution

The fourth proportional to 246,812.68, 340,564.68 and 139,380.58 is: 192,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,812.68 : 340,564.68 = 139,380.58 : x
  2. Step 2: Convert to fraction form
    246,812.68/340,564.68 = 139,380.58/x
  3. Step 3: Cross multiply
    246,812.68x = 340,564.68 × 139,380.58
  4. Step 4: Simplify right side
    246,812.68x = 47,468,102,625.91
  5. Step 5: Solve for x
    x = 47,468,102,625.91/246,812.68
  6. Step 6: Final answer
    x = 192,324.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.