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Finding the Fourth Proportional to 160,410.78, 241,052.36 and 85,583.79

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Solution

The fourth proportional to 160,410.78, 241,052.36 and 85,583.79 is: 128,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,410.78 : 241,052.36 = 85,583.79 : x
  2. Step 2: Convert to fraction form
    160,410.78/241,052.36 = 85,583.79/x
  3. Step 3: Cross multiply
    160,410.78x = 241,052.36 × 85,583.79
  4. Step 4: Simplify right side
    160,410.78x = 20,630,174,129.33
  5. Step 5: Solve for x
    x = 20,630,174,129.33/160,410.78
  6. Step 6: Final answer
    x = 128,608.40

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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.