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Finding the Fourth Proportional to 201,082.87, 301,661.39 and 66,154.53

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Solution

The fourth proportional to 201,082.87, 301,661.39 and 66,154.53 is: 99,244.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,082.87 : 301,661.39 = 66,154.53 : x
  2. Step 2: Convert to fraction form
    201,082.87/301,661.39 = 66,154.53/x
  3. Step 3: Cross multiply
    201,082.87x = 301,661.39 × 66,154.53
  4. Step 4: Simplify right side
    201,082.87x = 19,956,267,474.60
  5. Step 5: Solve for x
    x = 19,956,267,474.60/201,082.87
  6. Step 6: Final answer
    x = 99,244.00

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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.