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Finding the Fourth Proportional to 360,412.82, 540,696.79 and 107,713.85

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Solution

The fourth proportional to 360,412.82, 540,696.79 and 107,713.85 is: 161,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,412.82 : 540,696.79 = 107,713.85 : x
  2. Step 2: Convert to fraction form
    360,412.82/540,696.79 = 107,713.85/x
  3. Step 3: Cross multiply
    360,412.82x = 540,696.79 × 107,713.85
  4. Step 4: Simplify right side
    360,412.82x = 58,240,533,709.06
  5. Step 5: Solve for x
    x = 58,240,533,709.06/360,412.82
  6. Step 6: Final answer
    x = 161,593.96

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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.