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Finding the Fourth Proportional to 210,588, 315,936.72 and 62,844

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Solution

The fourth proportional to 210,588, 315,936.72 and 62,844 is: 94,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,588 : 315,936.72 = 62,844 : x
  2. Step 2: Convert to fraction form
    210,588/315,936.72 = 62,844/x
  3. Step 3: Cross multiply
    210,588x = 315,936.72 × 62,844
  4. Step 4: Simplify right side
    210,588x = 19,854,727,231.68
  5. Step 5: Solve for x
    x = 19,854,727,231.68/210,588
  6. Step 6: Final answer
    x = 94,282.33

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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.