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Finding the Fourth Proportional to 210,627.44, 316,029.06 and 92,383.64

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Solution

The fourth proportional to 210,627.44, 316,029.06 and 92,383.64 is: 138,614.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,627.44 : 316,029.06 = 92,383.64 : x
  2. Step 2: Convert to fraction form
    210,627.44/316,029.06 = 92,383.64/x
  3. Step 3: Cross multiply
    210,627.44x = 316,029.06 × 92,383.64
  4. Step 4: Simplify right side
    210,627.44x = 29,195,914,908.58
  5. Step 5: Solve for x
    x = 29,195,914,908.58/210,627.44
  6. Step 6: Final answer
    x = 138,614.01

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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.