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Finding the Fourth Proportional to 125,873.44, 188,810.64 and 50,995

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Solution

The fourth proportional to 125,873.44, 188,810.64 and 50,995 is: 76,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,873.44 : 188,810.64 = 50,995 : x
  2. Step 2: Convert to fraction form
    125,873.44/188,810.64 = 50,995/x
  3. Step 3: Cross multiply
    125,873.44x = 188,810.64 × 50,995
  4. Step 4: Simplify right side
    125,873.44x = 9,628,398,586.80
  5. Step 5: Solve for x
    x = 9,628,398,586.80/125,873.44
  6. Step 6: Final answer
    x = 76,492.69

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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.