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Finding the Fourth Proportional to 208,608.97, 312,645.21 and 94,673.56

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Solution

The fourth proportional to 208,608.97, 312,645.21 and 94,673.56 is: 141,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,608.97 : 312,645.21 = 94,673.56 : x
  2. Step 2: Convert to fraction form
    208,608.97/312,645.21 = 94,673.56/x
  3. Step 3: Cross multiply
    208,608.97x = 312,645.21 × 94,673.56
  4. Step 4: Simplify right side
    208,608.97x = 29,599,235,047.65
  5. Step 5: Solve for x
    x = 29,599,235,047.65/208,608.97
  6. Step 6: Final answer
    x = 141,888.60

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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.