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Finding the Fourth Proportional to 245,136.82, 367,706.19 and 162,012.34

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Solution

The fourth proportional to 245,136.82, 367,706.19 and 162,012.34 is: 243,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,136.82 : 367,706.19 = 162,012.34 : x
  2. Step 2: Convert to fraction form
    245,136.82/367,706.19 = 162,012.34/x
  3. Step 3: Cross multiply
    245,136.82x = 367,706.19 × 162,012.34
  4. Step 4: Simplify right side
    245,136.82x = 59,572,940,274.38
  5. Step 5: Solve for x
    x = 59,572,940,274.38/245,136.82
  6. Step 6: Final answer
    x = 243,019.14

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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.