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Finding the Fourth Proportional to 201,216.70, 301,825.05 and 53,472.70

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Solution

The fourth proportional to 201,216.70, 301,825.05 and 53,472.70 is: 80,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,216.70 : 301,825.05 = 53,472.70 : x
  2. Step 2: Convert to fraction form
    201,216.70/301,825.05 = 53,472.70/x
  3. Step 3: Cross multiply
    201,216.70x = 301,825.05 × 53,472.70
  4. Step 4: Simplify right side
    201,216.70x = 16,139,400,351.14
  5. Step 5: Solve for x
    x = 16,139,400,351.14/201,216.70
  6. Step 6: Final answer
    x = 80,209.05

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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.