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Finding the Fourth Proportional to 146,201.37, 201,758.49 and 79,133.37

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Solution

The fourth proportional to 146,201.37, 201,758.49 and 79,133.37 is: 109,204.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,201.37 : 201,758.49 = 79,133.37 : x
  2. Step 2: Convert to fraction form
    146,201.37/201,758.49 = 79,133.37/x
  3. Step 3: Cross multiply
    146,201.37x = 201,758.49 × 79,133.37
  4. Step 4: Simplify right side
    146,201.37x = 15,965,829,239.81
  5. Step 5: Solve for x
    x = 15,965,829,239.81/146,201.37
  6. Step 6: Final answer
    x = 109,204.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.