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Finding the Fourth Proportional to 100,304.48, 150,456.42 and 25,424.42

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Solution

The fourth proportional to 100,304.48, 150,456.42 and 25,424.42 is: 38,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,304.48 : 150,456.42 = 25,424.42 : x
  2. Step 2: Convert to fraction form
    100,304.48/150,456.42 = 25,424.42/x
  3. Step 3: Cross multiply
    100,304.48x = 150,456.42 × 25,424.42
  4. Step 4: Simplify right side
    100,304.48x = 3,825,266,461.49
  5. Step 5: Solve for x
    x = 3,825,266,461.49/100,304.48
  6. Step 6: Final answer
    x = 38,136.55

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1.5x scale

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.