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Finding the Fourth Proportional to 237,676.10, 356,274.25 and 148,991.88

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Solution

The fourth proportional to 237,676.10, 356,274.25 and 148,991.88 is: 223,337.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,676.10 : 356,274.25 = 148,991.88 : x
  2. Step 2: Convert to fraction form
    237,676.10/356,274.25 = 148,991.88/x
  3. Step 3: Cross multiply
    237,676.10x = 356,274.25 × 148,991.88
  4. Step 4: Simplify right side
    237,676.10x = 53,081,971,825.36
  5. Step 5: Solve for x
    x = 53,081,971,825.36/237,676.10
  6. Step 6: Final answer
    x = 223,337.44

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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.