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Finding the Fourth Proportional to 169,830.72, 234,606.24 and 136,063.44

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Solution

The fourth proportional to 169,830.72, 234,606.24 and 136,063.44 is: 187,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,830.72 : 234,606.24 = 136,063.44 : x
  2. Step 2: Convert to fraction form
    169,830.72/234,606.24 = 136,063.44/x
  3. Step 3: Cross multiply
    169,830.72x = 234,606.24 × 136,063.44
  4. Step 4: Simplify right side
    169,830.72x = 31,921,332,059.87
  5. Step 5: Solve for x
    x = 31,921,332,059.87/169,830.72
  6. Step 6: Final answer
    x = 187,959.71

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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.