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Finding the Fourth Proportional to 252,723, 379,106.37 and 65,734.50

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Solution

The fourth proportional to 252,723, 379,106.37 and 65,734.50 is: 98,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,723 : 379,106.37 = 65,734.50 : x
  2. Step 2: Convert to fraction form
    252,723/379,106.37 = 65,734.50/x
  3. Step 3: Cross multiply
    252,723x = 379,106.37 × 65,734.50
  4. Step 4: Simplify right side
    252,723x = 24,920,367,678.77
  5. Step 5: Solve for x
    x = 24,920,367,678.77/252,723
  6. Step 6: Final answer
    x = 98,607.44

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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.