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Finding the Fourth Proportional to 73,645.29, 101,630.03 and 40,111.29

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Solution

The fourth proportional to 73,645.29, 101,630.03 and 40,111.29 is: 55,353.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,645.29 : 101,630.03 = 40,111.29 : x
  2. Step 2: Convert to fraction form
    73,645.29/101,630.03 = 40,111.29/x
  3. Step 3: Cross multiply
    73,645.29x = 101,630.03 × 40,111.29
  4. Step 4: Simplify right side
    73,645.29x = 4,076,511,405.48
  5. Step 5: Solve for x
    x = 4,076,511,405.48/73,645.29
  6. Step 6: Final answer
    x = 55,353.32

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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.