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Finding the Fourth Proportional to 160,700.70, 241,016.46 and 65,837.88

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Solution

The fourth proportional to 160,700.70, 241,016.46 and 65,837.88 is: 98,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,700.70 : 241,016.46 = 65,837.88 : x
  2. Step 2: Convert to fraction form
    160,700.70/241,016.46 = 65,837.88/x
  3. Step 3: Cross multiply
    160,700.70x = 241,016.46 × 65,837.88
  4. Step 4: Simplify right side
    160,700.70x = 15,868,012,771.50
  5. Step 5: Solve for x
    x = 15,868,012,771.50/160,700.70
  6. Step 6: Final answer
    x = 98,742.65

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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.