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Finding the Fourth Proportional to 163,168.63, 225,186.96 and 95,207.50

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Solution

The fourth proportional to 163,168.63, 225,186.96 and 95,207.50 is: 131,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,168.63 : 225,186.96 = 95,207.50 : x
  2. Step 2: Convert to fraction form
    163,168.63/225,186.96 = 95,207.50/x
  3. Step 3: Cross multiply
    163,168.63x = 225,186.96 × 95,207.50
  4. Step 4: Simplify right side
    163,168.63x = 21,439,485,892.23
  5. Step 5: Solve for x
    x = 21,439,485,892.23/163,168.63
  6. Step 6: Final answer
    x = 131,394.66

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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.