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Finding the Fourth Proportional to 201,011.52, 301,561.02 and 60,766.50

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Solution

The fourth proportional to 201,011.52, 301,561.02 and 60,766.50 is: 91,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,011.52 : 301,561.02 = 60,766.50 : x
  2. Step 2: Convert to fraction form
    201,011.52/301,561.02 = 60,766.50/x
  3. Step 3: Cross multiply
    201,011.52x = 301,561.02 × 60,766.50
  4. Step 4: Simplify right side
    201,011.52x = 18,324,807,721.83
  5. Step 5: Solve for x
    x = 18,324,807,721.83/201,011.52
  6. Step 6: Final answer
    x = 91,162.97

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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.