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Finding the Fourth Proportional to 252,554.42, 379,053.12 and 102,794.24

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Solution

The fourth proportional to 252,554.42, 379,053.12 and 102,794.24 is: 154,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,554.42 : 379,053.12 = 102,794.24 : x
  2. Step 2: Convert to fraction form
    252,554.42/379,053.12 = 102,794.24/x
  3. Step 3: Cross multiply
    252,554.42x = 379,053.12 × 102,794.24
  4. Step 4: Simplify right side
    252,554.42x = 38,964,477,390.03
  5. Step 5: Solve for x
    x = 38,964,477,390.03/252,554.42
  6. Step 6: Final answer
    x = 154,281.51

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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.