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Finding the Fourth Proportional to 259,489.01, 358,033.81 and 157,511.93

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Solution

The fourth proportional to 259,489.01, 358,033.81 and 157,511.93 is: 217,329.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,489.01 : 358,033.81 = 157,511.93 : x
  2. Step 2: Convert to fraction form
    259,489.01/358,033.81 = 157,511.93/x
  3. Step 3: Cross multiply
    259,489.01x = 358,033.81 × 157,511.93
  4. Step 4: Simplify right side
    259,489.01x = 56,394,595,523.27
  5. Step 5: Solve for x
    x = 56,394,595,523.27/259,489.01
  6. Step 6: Final answer
    x = 217,329.42

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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.