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Finding the Fourth Proportional to 207,047.26, 310,643.79 and 101,940.04

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Solution

The fourth proportional to 207,047.26, 310,643.79 and 101,940.04 is: 152,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,047.26 : 310,643.79 = 101,940.04 : x
  2. Step 2: Convert to fraction form
    207,047.26/310,643.79 = 101,940.04/x
  3. Step 3: Cross multiply
    207,047.26x = 310,643.79 × 101,940.04
  4. Step 4: Simplify right side
    207,047.26x = 31,667,040,378.35
  5. Step 5: Solve for x
    x = 31,667,040,378.35/207,047.26
  6. Step 6: Final answer
    x = 152,945.95

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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.