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Finding the Fourth Proportional to 252,843.06, 379,267.02 and 103,053

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Solution

The fourth proportional to 252,843.06, 379,267.02 and 103,053 is: 154,580.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,843.06 : 379,267.02 = 103,053 : x
  2. Step 2: Convert to fraction form
    252,843.06/379,267.02 = 103,053/x
  3. Step 3: Cross multiply
    252,843.06x = 379,267.02 × 103,053
  4. Step 4: Simplify right side
    252,843.06x = 39,084,604,212.06
  5. Step 5: Solve for x
    x = 39,084,604,212.06/252,843.06
  6. Step 6: Final answer
    x = 154,580.49

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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.