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Finding the Fourth Proportional to 67,073.51, 100,630.38 and 27,071.91

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Solution

The fourth proportional to 67,073.51, 100,630.38 and 27,071.91 is: 40,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,073.51 : 100,630.38 = 27,071.91 : x
  2. Step 2: Convert to fraction form
    67,073.51/100,630.38 = 27,071.91/x
  3. Step 3: Cross multiply
    67,073.51x = 100,630.38 × 27,071.91
  4. Step 4: Simplify right side
    67,073.51x = 2,724,256,590.63
  5. Step 5: Solve for x
    x = 2,724,256,590.63/67,073.51
  6. Step 6: Final answer
    x = 40,615.99

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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.