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Finding the Fourth Proportional to 133,136.81, 199,706.99 and 44,390.35

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Solution

The fourth proportional to 133,136.81, 199,706.99 and 44,390.35 is: 66,586.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,136.81 : 199,706.99 = 44,390.35 : x
  2. Step 2: Convert to fraction form
    133,136.81/199,706.99 = 44,390.35/x
  3. Step 3: Cross multiply
    133,136.81x = 199,706.99 × 44,390.35
  4. Step 4: Simplify right side
    133,136.81x = 8,865,062,602.77
  5. Step 5: Solve for x
    x = 8,865,062,602.77/133,136.81
  6. Step 6: Final answer
    x = 66,586.11

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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.