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Finding the Fourth Proportional to 200,890.68, 301,338.90 and 95,720.76

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Solution

The fourth proportional to 200,890.68, 301,338.90 and 95,720.76 is: 143,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,890.68 : 301,338.90 = 95,720.76 : x
  2. Step 2: Convert to fraction form
    200,890.68/301,338.90 = 95,720.76/x
  3. Step 3: Cross multiply
    200,890.68x = 301,338.90 × 95,720.76
  4. Step 4: Simplify right side
    200,890.68x = 28,844,388,525.56
  5. Step 5: Solve for x
    x = 28,844,388,525.56/200,890.68
  6. Step 6: Final answer
    x = 143,582.51

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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.