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Finding the Fourth Proportional to 345,182.82, 517,796.61 and 108,534.66

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Solution

The fourth proportional to 345,182.82, 517,796.61 and 108,534.66 is: 162,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,182.82 : 517,796.61 = 108,534.66 : x
  2. Step 2: Convert to fraction form
    345,182.82/517,796.61 = 108,534.66/x
  3. Step 3: Cross multiply
    345,182.82x = 517,796.61 × 108,534.66
  4. Step 4: Simplify right side
    345,182.82x = 56,198,879,015.50
  5. Step 5: Solve for x
    x = 56,198,879,015.50/345,182.82
  6. Step 6: Final answer
    x = 162,809.03

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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.