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Finding the Fourth Proportional to 201,548.88, 302,136.66 and 89,169.48

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Solution

The fourth proportional to 201,548.88, 302,136.66 and 89,169.48 is: 133,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,548.88 : 302,136.66 = 89,169.48 : x
  2. Step 2: Convert to fraction form
    201,548.88/302,136.66 = 89,169.48/x
  3. Step 3: Cross multiply
    201,548.88x = 302,136.66 × 89,169.48
  4. Step 4: Simplify right side
    201,548.88x = 26,941,368,861.14
  5. Step 5: Solve for x
    x = 26,941,368,861.14/201,548.88
  6. Step 6: Final answer
    x = 133,671.64

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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.