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Finding the Fourth Proportional to 150,429.40, 225,648.22 and 43,809.10

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Solution

The fourth proportional to 150,429.40, 225,648.22 and 43,809.10 is: 65,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,429.40 : 225,648.22 = 43,809.10 : x
  2. Step 2: Convert to fraction form
    150,429.40/225,648.22 = 43,809.10/x
  3. Step 3: Cross multiply
    150,429.40x = 225,648.22 × 43,809.10
  4. Step 4: Simplify right side
    150,429.40x = 9,885,445,434.80
  5. Step 5: Solve for x
    x = 9,885,445,434.80/150,429.40
  6. Step 6: Final answer
    x = 65,714.85

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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.