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Finding the Fourth Proportional to 160,775.92, 241,146.60 and 66,016.05

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Solution

The fourth proportional to 160,775.92, 241,146.60 and 66,016.05 is: 99,016.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,775.92 : 241,146.60 = 66,016.05 : x
  2. Step 2: Convert to fraction form
    160,775.92/241,146.60 = 66,016.05/x
  3. Step 3: Cross multiply
    160,775.92x = 241,146.60 × 66,016.05
  4. Step 4: Simplify right side
    160,775.92x = 15,919,546,002.93
  5. Step 5: Solve for x
    x = 15,919,546,002.93/160,775.92
  6. Step 6: Final answer
    x = 99,016.98

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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.