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Finding the Fourth Proportional to 210,833.62, 316,185.35 and 110,939.56

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Solution

The fourth proportional to 210,833.62, 316,185.35 and 110,939.56 is: 166,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,833.62 : 316,185.35 = 110,939.56 : x
  2. Step 2: Convert to fraction form
    210,833.62/316,185.35 = 110,939.56/x
  3. Step 3: Cross multiply
    210,833.62x = 316,185.35 × 110,939.56
  4. Step 4: Simplify right side
    210,833.62x = 35,077,463,607.45
  5. Step 5: Solve for x
    x = 35,077,463,607.45/210,833.62
  6. Step 6: Final answer
    x = 166,375.10

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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.