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Finding the Fourth Proportional to 223,860.94, 308,949.89 and 167,173.90

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Solution

The fourth proportional to 223,860.94, 308,949.89 and 167,173.90 is: 230,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,860.94 : 308,949.89 = 167,173.90 : x
  2. Step 2: Convert to fraction form
    223,860.94/308,949.89 = 167,173.90/x
  3. Step 3: Cross multiply
    223,860.94x = 308,949.89 × 167,173.90
  4. Step 4: Simplify right side
    223,860.94x = 51,648,358,433.81
  5. Step 5: Solve for x
    x = 51,648,358,433.81/223,860.94
  6. Step 6: Final answer
    x = 230,716.26

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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.