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Finding the Fourth Proportional to 303,025.95, 418,178.66 and 167,064.72

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Solution

The fourth proportional to 303,025.95, 418,178.66 and 167,064.72 is: 230,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,025.95 : 418,178.66 = 167,064.72 : x
  2. Step 2: Convert to fraction form
    303,025.95/418,178.66 = 167,064.72/x
  3. Step 3: Cross multiply
    303,025.95x = 418,178.66 × 167,064.72
  4. Step 4: Simplify right side
    303,025.95x = 69,862,900,742.88
  5. Step 5: Solve for x
    x = 69,862,900,742.88/303,025.95
  6. Step 6: Final answer
    x = 230,550.88

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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.