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Finding the Fourth Proportional to 161,896.16, 242,873.46 and 73,191.44

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Solution

The fourth proportional to 161,896.16, 242,873.46 and 73,191.44 is: 109,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,896.16 : 242,873.46 = 73,191.44 : x
  2. Step 2: Convert to fraction form
    161,896.16/242,873.46 = 73,191.44/x
  3. Step 3: Cross multiply
    161,896.16x = 242,873.46 × 73,191.44
  4. Step 4: Simplify right side
    161,896.16x = 17,776,258,275.18
  5. Step 5: Solve for x
    x = 17,776,258,275.18/161,896.16
  6. Step 6: Final answer
    x = 109,800.37

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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.