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Finding the Fourth Proportional to 53,054.69, 73,214.69 and 29,179.94

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Solution

The fourth proportional to 53,054.69, 73,214.69 and 29,179.94 is: 40,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,054.69 : 73,214.69 = 29,179.94 : x
  2. Step 2: Convert to fraction form
    53,054.69/73,214.69 = 29,179.94/x
  3. Step 3: Cross multiply
    53,054.69x = 73,214.69 × 29,179.94
  4. Step 4: Simplify right side
    53,054.69x = 2,136,399,749.35
  5. Step 5: Solve for x
    x = 2,136,399,749.35/53,054.69
  6. Step 6: Final answer
    x = 40,267.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.