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Finding the Fourth Proportional to 259,991.96, 358,791.30 and 152,563.82

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Solution

The fourth proportional to 259,991.96, 358,791.30 and 152,563.82 is: 210,539.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,991.96 : 358,791.30 = 152,563.82 : x
  2. Step 2: Convert to fraction form
    259,991.96/358,791.30 = 152,563.82/x
  3. Step 3: Cross multiply
    259,991.96x = 358,791.30 × 152,563.82
  4. Step 4: Simplify right side
    259,991.96x = 54,738,569,516.81
  5. Step 5: Solve for x
    x = 54,738,569,516.81/259,991.96
  6. Step 6: Final answer
    x = 210,539.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.