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Finding the Fourth Proportional to 251,250.51, 376,934.06 and 82,764.80

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Solution

The fourth proportional to 251,250.51, 376,934.06 and 82,764.80 is: 124,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,250.51 : 376,934.06 = 82,764.80 : x
  2. Step 2: Convert to fraction form
    251,250.51/376,934.06 = 82,764.80/x
  3. Step 3: Cross multiply
    251,250.51x = 376,934.06 × 82,764.80
  4. Step 4: Simplify right side
    251,250.51x = 31,196,870,411.33
  5. Step 5: Solve for x
    x = 31,196,870,411.33/251,250.51
  6. Step 6: Final answer
    x = 124,166.40

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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.