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Finding the Fourth Proportional to 251,267.63, 376,947.61 and 82,797.89

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Solution

The fourth proportional to 251,267.63, 376,947.61 and 82,797.89 is: 124,212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,267.63 : 376,947.61 = 82,797.89 : x
  2. Step 2: Convert to fraction form
    251,267.63/376,947.61 = 82,797.89/x
  3. Step 3: Cross multiply
    251,267.63x = 376,947.61 × 82,797.89
  4. Step 4: Simplify right side
    251,267.63x = 31,210,464,656.81
  5. Step 5: Solve for x
    x = 31,210,464,656.81/251,267.63
  6. Step 6: Final answer
    x = 124,212.04

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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.