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Finding the Fourth Proportional to 251,162.34, 376,798.98 and 82,675.86

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Solution

The fourth proportional to 251,162.34, 376,798.98 and 82,675.86 is: 124,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,162.34 : 376,798.98 = 82,675.86 : x
  2. Step 2: Convert to fraction form
    251,162.34/376,798.98 = 82,675.86/x
  3. Step 3: Cross multiply
    251,162.34x = 376,798.98 × 82,675.86
  4. Step 4: Simplify right side
    251,162.34x = 31,152,179,718.62
  5. Step 5: Solve for x
    x = 31,152,179,718.62/251,162.34
  6. Step 6: Final answer
    x = 124,032.05

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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.