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Finding the Fourth Proportional to 200,525.06, 300,806.14 and 65,589.89

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Solution

The fourth proportional to 200,525.06, 300,806.14 and 65,589.89 is: 98,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,525.06 : 300,806.14 = 65,589.89 : x
  2. Step 2: Convert to fraction form
    200,525.06/300,806.14 = 65,589.89/x
  3. Step 3: Cross multiply
    200,525.06x = 300,806.14 × 65,589.89
  4. Step 4: Simplify right side
    200,525.06x = 19,729,841,633.92
  5. Step 5: Solve for x
    x = 19,729,841,633.92/200,525.06
  6. Step 6: Final answer
    x = 98,390.90

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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.