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Finding the Fourth Proportional to 179,670.66, 269,063.10 and 112,945.29

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Solution

The fourth proportional to 179,670.66, 269,063.10 and 112,945.29 is: 169,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,670.66 : 269,063.10 = 112,945.29 : x
  2. Step 2: Convert to fraction form
    179,670.66/269,063.10 = 112,945.29/x
  3. Step 3: Cross multiply
    179,670.66x = 269,063.10 × 112,945.29
  4. Step 4: Simplify right side
    179,670.66x = 30,389,409,857.80
  5. Step 5: Solve for x
    x = 30,389,409,857.80/179,670.66
  6. Step 6: Final answer
    x = 169,139.52

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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.