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Finding the Fourth Proportional to 201,797.10, 302,760.45 and 89,433.90

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Solution

The fourth proportional to 201,797.10, 302,760.45 and 89,433.90 is: 134,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,797.10 : 302,760.45 = 89,433.90 : x
  2. Step 2: Convert to fraction form
    201,797.10/302,760.45 = 89,433.90/x
  3. Step 3: Cross multiply
    201,797.10x = 302,760.45 × 89,433.90
  4. Step 4: Simplify right side
    201,797.10x = 27,077,047,809.26
  5. Step 5: Solve for x
    x = 27,077,047,809.26/201,797.10
  6. Step 6: Final answer
    x = 134,179.57

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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.