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Finding the Fourth Proportional to 245,136.48, 367,725.91 and 67,643.49

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Solution

The fourth proportional to 245,136.48, 367,725.91 and 67,643.49 is: 101,471.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,136.48 : 367,725.91 = 67,643.49 : x
  2. Step 2: Convert to fraction form
    245,136.48/367,725.91 = 67,643.49/x
  3. Step 3: Cross multiply
    245,136.48x = 367,725.91 × 67,643.49
  4. Step 4: Simplify right side
    245,136.48x = 24,874,263,915.83
  5. Step 5: Solve for x
    x = 24,874,263,915.83/245,136.48
  6. Step 6: Final answer
    x = 101,471.08

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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.