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Finding the Fourth Proportional to 275,142.02, 412,713.63 and 75,465.26

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Solution

The fourth proportional to 275,142.02, 412,713.63 and 75,465.26 is: 113,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,142.02 : 412,713.63 = 75,465.26 : x
  2. Step 2: Convert to fraction form
    275,142.02/412,713.63 = 75,465.26/x
  3. Step 3: Cross multiply
    275,142.02x = 412,713.63 × 75,465.26
  4. Step 4: Simplify right side
    275,142.02x = 31,145,541,393.49
  5. Step 5: Solve for x
    x = 31,145,541,393.49/275,142.02
  6. Step 6: Final answer
    x = 113,198.05

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1.5x scale

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.