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Finding the Fourth Proportional to 195,433.70, 292,757.42 and 148,129.70

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Solution

The fourth proportional to 195,433.70, 292,757.42 and 148,129.70 is: 221,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,433.70 : 292,757.42 = 148,129.70 : x
  2. Step 2: Convert to fraction form
    195,433.70/292,757.42 = 148,129.70/x
  3. Step 3: Cross multiply
    195,433.70x = 292,757.42 × 148,129.70
  4. Step 4: Simplify right side
    195,433.70x = 43,366,068,797.37
  5. Step 5: Solve for x
    x = 43,366,068,797.37/195,433.70
  6. Step 6: Final answer
    x = 221,896.58

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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.