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Finding the Fourth Proportional to 253,763.08, 380,704.30 and 73,852.39

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Solution

The fourth proportional to 253,763.08, 380,704.30 and 73,852.39 is: 110,795.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,763.08 : 380,704.30 = 73,852.39 : x
  2. Step 2: Convert to fraction form
    253,763.08/380,704.30 = 73,852.39/x
  3. Step 3: Cross multiply
    253,763.08x = 380,704.30 × 73,852.39
  4. Step 4: Simplify right side
    253,763.08x = 28,115,920,534.76
  5. Step 5: Solve for x
    x = 28,115,920,534.76/253,763.08
  6. Step 6: Final answer
    x = 110,795.95

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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.