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Finding the Fourth Proportional to 210,067.56, 289,893.06 and 114,573.96

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Solution

The fourth proportional to 210,067.56, 289,893.06 and 114,573.96 is: 158,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,067.56 : 289,893.06 = 114,573.96 : x
  2. Step 2: Convert to fraction form
    210,067.56/289,893.06 = 114,573.96/x
  3. Step 3: Cross multiply
    210,067.56x = 289,893.06 × 114,573.96
  4. Step 4: Simplify right side
    210,067.56x = 33,214,195,860.72
  5. Step 5: Solve for x
    x = 33,214,195,860.72/210,067.56
  6. Step 6: Final answer
    x = 158,111.97

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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.