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Finding the Fourth Proportional to 295,381.04, 407,571.32 and 168,049.20

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Solution

The fourth proportional to 295,381.04, 407,571.32 and 168,049.20 is: 231,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,381.04 : 407,571.32 = 168,049.20 : x
  2. Step 2: Convert to fraction form
    295,381.04/407,571.32 = 168,049.20/x
  3. Step 3: Cross multiply
    295,381.04x = 407,571.32 × 168,049.20
  4. Step 4: Simplify right side
    295,381.04x = 68,492,034,268.94
  5. Step 5: Solve for x
    x = 68,492,034,268.94/295,381.04
  6. Step 6: Final answer
    x = 231,876.88

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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.