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Finding the Fourth Proportional to 303,122.88, 418,299.95 and 167,162.55

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Solution

The fourth proportional to 303,122.88, 418,299.95 and 167,162.55 is: 230,679.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,122.88 : 418,299.95 = 167,162.55 : x
  2. Step 2: Convert to fraction form
    303,122.88/418,299.95 = 167,162.55/x
  3. Step 3: Cross multiply
    303,122.88x = 418,299.95 × 167,162.55
  4. Step 4: Simplify right side
    303,122.88x = 69,924,085,471.06
  5. Step 5: Solve for x
    x = 69,924,085,471.06/303,122.88
  6. Step 6: Final answer
    x = 230,679.01

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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.