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Finding the Fourth Proportional to 303,150.88, 418,362.96 and 169,012

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Solution

The fourth proportional to 303,150.88, 418,362.96 and 169,012 is: 233,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,150.88 : 418,362.96 = 169,012 : x
  2. Step 2: Convert to fraction form
    303,150.88/418,362.96 = 169,012/x
  3. Step 3: Cross multiply
    303,150.88x = 418,362.96 × 169,012
  4. Step 4: Simplify right side
    303,150.88x = 70,708,360,595.52
  5. Step 5: Solve for x
    x = 70,708,360,595.52/303,150.88
  6. Step 6: Final answer
    x = 233,244.78

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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.