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Finding the Fourth Proportional to 335,126.82, 502,685.88 and 82,409.52

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Solution

The fourth proportional to 335,126.82, 502,685.88 and 82,409.52 is: 123,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,126.82 : 502,685.88 = 82,409.52 : x
  2. Step 2: Convert to fraction form
    335,126.82/502,685.88 = 82,409.52/x
  3. Step 3: Cross multiply
    335,126.82x = 502,685.88 × 82,409.52
  4. Step 4: Simplify right side
    335,126.82x = 41,426,102,081.58
  5. Step 5: Solve for x
    x = 41,426,102,081.58/335,126.82
  6. Step 6: Final answer
    x = 123,613.21

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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.