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Finding the Fourth Proportional to 202,641.74, 303,968.75 and 69,520.07

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Solution

The fourth proportional to 202,641.74, 303,968.75 and 69,520.07 is: 104,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,641.74 : 303,968.75 = 69,520.07 : x
  2. Step 2: Convert to fraction form
    202,641.74/303,968.75 = 69,520.07/x
  3. Step 3: Cross multiply
    202,641.74x = 303,968.75 × 69,520.07
  4. Step 4: Simplify right side
    202,641.74x = 21,131,926,910.37
  5. Step 5: Solve for x
    x = 21,131,926,910.37/202,641.74
  6. Step 6: Final answer
    x = 104,282.20

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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.