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Finding the Fourth Proportional to 246,851.20, 340,647.76 and 146,249.20

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Solution

The fourth proportional to 246,851.20, 340,647.76 and 146,249.20 is: 201,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,851.20 : 340,647.76 = 146,249.20 : x
  2. Step 2: Convert to fraction form
    246,851.20/340,647.76 = 146,249.20/x
  3. Step 3: Cross multiply
    246,851.20x = 340,647.76 × 146,249.20
  4. Step 4: Simplify right side
    246,851.20x = 49,819,462,381.79
  5. Step 5: Solve for x
    x = 49,819,462,381.79/246,851.20
  6. Step 6: Final answer
    x = 201,819.81

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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.