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Finding the Fourth Proportional to 199,857.66, 275,803.83 and 110,433.66

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Solution

The fourth proportional to 199,857.66, 275,803.83 and 110,433.66 is: 152,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,857.66 : 275,803.83 = 110,433.66 : x
  2. Step 2: Convert to fraction form
    199,857.66/275,803.83 = 110,433.66/x
  3. Step 3: Cross multiply
    199,857.66x = 275,803.83 × 110,433.66
  4. Step 4: Simplify right side
    199,857.66x = 30,458,026,388.92
  5. Step 5: Solve for x
    x = 30,458,026,388.92/199,857.66
  6. Step 6: Final answer
    x = 152,398.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.