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Finding the Fourth Proportional to 200,271.51, 300,456.41 and 60,030

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Solution

The fourth proportional to 200,271.51, 300,456.41 and 60,030 is: 90,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,271.51 : 300,456.41 = 60,030 : x
  2. Step 2: Convert to fraction form
    200,271.51/300,456.41 = 60,030/x
  3. Step 3: Cross multiply
    200,271.51x = 300,456.41 × 60,030
  4. Step 4: Simplify right side
    200,271.51x = 18,036,397,992.15
  5. Step 5: Solve for x
    x = 18,036,397,992.15/200,271.51
  6. Step 6: Final answer
    x = 90,059.73

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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.