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Finding the Fourth Proportional to 84,182.93, 116,173.11 and 45,942.78

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Solution

The fourth proportional to 84,182.93, 116,173.11 and 45,942.78 is: 63,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,182.93 : 116,173.11 = 45,942.78 : x
  2. Step 2: Convert to fraction form
    84,182.93/116,173.11 = 45,942.78/x
  3. Step 3: Cross multiply
    84,182.93x = 116,173.11 × 45,942.78
  4. Step 4: Simplify right side
    84,182.93x = 5,337,315,634.65
  5. Step 5: Solve for x
    x = 5,337,315,634.65/84,182.93
  6. Step 6: Final answer
    x = 63,401.40

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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.