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Finding the Fourth Proportional to 356,539.82, 535,019.96 and 132,057.94

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Solution

The fourth proportional to 356,539.82, 535,019.96 and 132,057.94 is: 198,164.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,539.82 : 535,019.96 = 132,057.94 : x
  2. Step 2: Convert to fraction form
    356,539.82/535,019.96 = 132,057.94/x
  3. Step 3: Cross multiply
    356,539.82x = 535,019.96 × 132,057.94
  4. Step 4: Simplify right side
    356,539.82x = 70,653,632,769.08
  5. Step 5: Solve for x
    x = 70,653,632,769.08/356,539.82
  6. Step 6: Final answer
    x = 198,164.78

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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.