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Finding the Fourth Proportional to 246,002.70, 368,712.45 and 103,847.70

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Solution

The fourth proportional to 246,002.70, 368,712.45 and 103,847.70 is: 155,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,002.70 : 368,712.45 = 103,847.70 : x
  2. Step 2: Convert to fraction form
    246,002.70/368,712.45 = 103,847.70/x
  3. Step 3: Cross multiply
    246,002.70x = 368,712.45 × 103,847.70
  4. Step 4: Simplify right side
    246,002.70x = 38,289,939,893.87
  5. Step 5: Solve for x
    x = 38,289,939,893.87/246,002.70
  6. Step 6: Final answer
    x = 155,648.45

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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.