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Finding the Fourth Proportional to 54,285.30, 76,103.10 and 54,285.30

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Solution

The fourth proportional to 54,285.30, 76,103.10 and 54,285.30 is: 76,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,285.30 : 76,103.10 = 54,285.30 : x
  2. Step 2: Convert to fraction form
    54,285.30/76,103.10 = 54,285.30/x
  3. Step 3: Cross multiply
    54,285.30x = 76,103.10 × 54,285.30
  4. Step 4: Simplify right side
    54,285.30x = 4,131,279,614.43
  5. Step 5: Solve for x
    x = 4,131,279,614.43/54,285.30
  6. Step 6: Final answer
    x = 76,103.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.