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Finding the Fourth Proportional to 179,643.80, 269,174.10 and 112,964.60

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Solution

The fourth proportional to 179,643.80, 269,174.10 and 112,964.60 is: 169,263.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,643.80 : 269,174.10 = 112,964.60 : x
  2. Step 2: Convert to fraction form
    179,643.80/269,174.10 = 112,964.60/x
  3. Step 3: Cross multiply
    179,643.80x = 269,174.10 × 112,964.60
  4. Step 4: Simplify right side
    179,643.80x = 30,407,144,536.86
  5. Step 5: Solve for x
    x = 30,407,144,536.86/179,643.80
  6. Step 6: Final answer
    x = 169,263.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.