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Finding the Fourth Proportional to 201,283.99, 301,919.05 and 51,525.57

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Solution

The fourth proportional to 201,283.99, 301,919.05 and 51,525.57 is: 77,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,283.99 : 301,919.05 = 51,525.57 : x
  2. Step 2: Convert to fraction form
    201,283.99/301,919.05 = 51,525.57/x
  3. Step 3: Cross multiply
    201,283.99x = 301,919.05 × 51,525.57
  4. Step 4: Simplify right side
    201,283.99x = 15,556,551,145.11
  5. Step 5: Solve for x
    x = 15,556,551,145.11/201,283.99
  6. Step 6: Final answer
    x = 77,286.58

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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.