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Finding the Fourth Proportional to 188,676.60, 283,233.60 and 113,881.20

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Solution

The fourth proportional to 188,676.60, 283,233.60 and 113,881.20 is: 170,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,676.60 : 283,233.60 = 113,881.20 : x
  2. Step 2: Convert to fraction form
    188,676.60/283,233.60 = 113,881.20/x
  3. Step 3: Cross multiply
    188,676.60x = 283,233.60 × 113,881.20
  4. Step 4: Simplify right side
    188,676.60x = 32,254,982,248.32
  5. Step 5: Solve for x
    x = 32,254,982,248.32/188,676.60
  6. Step 6: Final answer
    x = 170,953.80

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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.