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Finding the Fourth Proportional to 93,163.88, 128,565.96 and 50,722.04

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Solution

The fourth proportional to 93,163.88, 128,565.96 and 50,722.04 is: 69,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,163.88 : 128,565.96 = 50,722.04 : x
  2. Step 2: Convert to fraction form
    93,163.88/128,565.96 = 50,722.04/x
  3. Step 3: Cross multiply
    93,163.88x = 128,565.96 × 50,722.04
  4. Step 4: Simplify right side
    93,163.88x = 6,521,127,765.76
  5. Step 5: Solve for x
    x = 6,521,127,765.76/93,163.88
  6. Step 6: Final answer
    x = 69,996.31

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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.