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Finding the Fourth Proportional to 275,140.02, 412,710.63 and 75,463.26

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Solution

The fourth proportional to 275,140.02, 412,710.63 and 75,463.26 is: 113,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,140.02 : 412,710.63 = 75,463.26 : x
  2. Step 2: Convert to fraction form
    275,140.02/412,710.63 = 75,463.26/x
  3. Step 3: Cross multiply
    275,140.02x = 412,710.63 × 75,463.26
  4. Step 4: Simplify right side
    275,140.02x = 31,144,489,576.45
  5. Step 5: Solve for x
    x = 31,144,489,576.45/275,140.02
  6. Step 6: Final answer
    x = 113,195.05

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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.