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Finding the Fourth Proportional to 282,242.96, 389,481.07 and 167,526.62

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Solution

The fourth proportional to 282,242.96, 389,481.07 and 167,526.62 is: 231,178.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,242.96 : 389,481.07 = 167,526.62 : x
  2. Step 2: Convert to fraction form
    282,242.96/389,481.07 = 167,526.62/x
  3. Step 3: Cross multiply
    282,242.96x = 389,481.07 × 167,526.62
  4. Step 4: Simplify right side
    282,242.96x = 65,248,444,426.05
  5. Step 5: Solve for x
    x = 65,248,444,426.05/282,242.96
  6. Step 6: Final answer
    x = 231,178.29

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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.