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Finding the Fourth Proportional to 111,391.99, 167,131.73 and 49,018.75

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Solution

The fourth proportional to 111,391.99, 167,131.73 and 49,018.75 is: 73,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,391.99 : 167,131.73 = 49,018.75 : x
  2. Step 2: Convert to fraction form
    111,391.99/167,131.73 = 49,018.75/x
  3. Step 3: Cross multiply
    111,391.99x = 167,131.73 × 49,018.75
  4. Step 4: Simplify right side
    111,391.99x = 8,192,588,489.94
  5. Step 5: Solve for x
    x = 8,192,588,489.94/111,391.99
  6. Step 6: Final answer
    x = 73,547.38

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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.