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Finding the Fourth Proportional to 345,087.36, 517,628.04 and 95,769.36

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Solution

The fourth proportional to 345,087.36, 517,628.04 and 95,769.36 is: 143,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,087.36 : 517,628.04 = 95,769.36 : x
  2. Step 2: Convert to fraction form
    345,087.36/517,628.04 = 95,769.36/x
  3. Step 3: Cross multiply
    345,087.36x = 517,628.04 × 95,769.36
  4. Step 4: Simplify right side
    345,087.36x = 49,572,906,108.85
  5. Step 5: Solve for x
    x = 49,572,906,108.85/345,087.36
  6. Step 6: Final answer
    x = 143,653.21

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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.