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Finding the Fourth Proportional to 146,201.45, 201,758.60 and 79,133.45

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Solution

The fourth proportional to 146,201.45, 201,758.60 and 79,133.45 is: 109,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,201.45 : 201,758.60 = 79,133.45 : x
  2. Step 2: Convert to fraction form
    146,201.45/201,758.60 = 79,133.45/x
  3. Step 3: Cross multiply
    146,201.45x = 201,758.60 × 79,133.45
  4. Step 4: Simplify right side
    146,201.45x = 15,965,852,680.71
  5. Step 5: Solve for x
    x = 15,965,852,680.71/146,201.45
  6. Step 6: Final answer
    x = 109,204.48

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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.