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Finding the Fourth Proportional to 201,300.75, 301,952.95 and 61,059.38

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Solution

The fourth proportional to 201,300.75, 301,952.95 and 61,059.38 is: 91,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,300.75 : 301,952.95 = 61,059.38 : x
  2. Step 2: Convert to fraction form
    201,300.75/301,952.95 = 61,059.38/x
  3. Step 3: Cross multiply
    201,300.75x = 301,952.95 × 61,059.38
  4. Step 4: Simplify right side
    201,300.75x = 18,437,058,253.76
  5. Step 5: Solve for x
    x = 18,437,058,253.76/201,300.75
  6. Step 6: Final answer
    x = 91,589.62

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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.