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Finding the Fourth Proportional to 252,119.40, 378,033.30 and 94,363.80

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Solution

The fourth proportional to 252,119.40, 378,033.30 and 94,363.80 is: 141,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,119.40 : 378,033.30 = 94,363.80 : x
  2. Step 2: Convert to fraction form
    252,119.40/378,033.30 = 94,363.80/x
  3. Step 3: Cross multiply
    252,119.40x = 378,033.30 × 94,363.80
  4. Step 4: Simplify right side
    252,119.40x = 35,672,658,714.54
  5. Step 5: Solve for x
    x = 35,672,658,714.54/252,119.40
  6. Step 6: Final answer
    x = 141,491.13

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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.