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Finding the Fourth Proportional to 210,446.73, 315,716.73 and 60,675.33

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Solution

The fourth proportional to 210,446.73, 315,716.73 and 60,675.33 is: 91,026.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,446.73 : 315,716.73 = 60,675.33 : x
  2. Step 2: Convert to fraction form
    210,446.73/315,716.73 = 60,675.33/x
  3. Step 3: Cross multiply
    210,446.73x = 315,716.73 × 60,675.33
  4. Step 4: Simplify right side
    210,446.73x = 19,156,216,779.27
  5. Step 5: Solve for x
    x = 19,156,216,779.27/210,446.73
  6. Step 6: Final answer
    x = 91,026.44

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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.