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Finding the Fourth Proportional to 159,290.48, 238,905.96 and 64,495.60

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Solution

The fourth proportional to 159,290.48, 238,905.96 and 64,495.60 is: 96,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,290.48 : 238,905.96 = 64,495.60 : x
  2. Step 2: Convert to fraction form
    159,290.48/238,905.96 = 64,495.60/x
  3. Step 3: Cross multiply
    159,290.48x = 238,905.96 × 64,495.60
  4. Step 4: Simplify right side
    159,290.48x = 15,408,383,233.78
  5. Step 5: Solve for x
    x = 15,408,383,233.78/159,290.48
  6. Step 6: Final answer
    x = 96,731.35

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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.