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Finding the Fourth Proportional to 161,243.68, 241,865.79 and 61,380.94

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Solution

The fourth proportional to 161,243.68, 241,865.79 and 61,380.94 is: 92,071.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,243.68 : 241,865.79 = 61,380.94 : x
  2. Step 2: Convert to fraction form
    161,243.68/241,865.79 = 61,380.94/x
  3. Step 3: Cross multiply
    161,243.68x = 241,865.79 × 61,380.94
  4. Step 4: Simplify right side
    161,243.68x = 14,845,949,544.04
  5. Step 5: Solve for x
    x = 14,845,949,544.04/161,243.68
  6. Step 6: Final answer
    x = 92,071.51

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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.