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Finding the Fourth Proportional to 250,979.82, 376,525.89 and 84,763.50

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Solution

The fourth proportional to 250,979.82, 376,525.89 and 84,763.50 is: 127,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,979.82 : 376,525.89 = 84,763.50 : x
  2. Step 2: Convert to fraction form
    250,979.82/376,525.89 = 84,763.50/x
  3. Step 3: Cross multiply
    250,979.82x = 376,525.89 × 84,763.50
  4. Step 4: Simplify right side
    250,979.82x = 31,915,652,277.02
  5. Step 5: Solve for x
    x = 31,915,652,277.02/250,979.82
  6. Step 6: Final answer
    x = 127,164.22

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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.