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Finding the Fourth Proportional to 150,266.84, 225,348.37 and 43,621.88

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Solution

The fourth proportional to 150,266.84, 225,348.37 and 43,621.88 is: 65,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,266.84 : 225,348.37 = 43,621.88 : x
  2. Step 2: Convert to fraction form
    150,266.84/225,348.37 = 43,621.88/x
  3. Step 3: Cross multiply
    150,266.84x = 225,348.37 × 43,621.88
  4. Step 4: Simplify right side
    150,266.84x = 9,830,120,008.65
  5. Step 5: Solve for x
    x = 9,830,120,008.65/150,266.84
  6. Step 6: Final answer
    x = 65,417.76

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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.