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Finding the Fourth Proportional to 73,643.36, 101,627.88 and 40,109.36

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Solution

The fourth proportional to 73,643.36, 101,627.88 and 40,109.36 is: 55,350.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,643.36 : 101,627.88 = 40,109.36 : x
  2. Step 2: Convert to fraction form
    73,643.36/101,627.88 = 40,109.36/x
  3. Step 3: Cross multiply
    73,643.36x = 101,627.88 × 40,109.36
  4. Step 4: Simplify right side
    73,643.36x = 4,076,229,224.96
  5. Step 5: Solve for x
    x = 4,076,229,224.96/73,643.36
  6. Step 6: Final answer
    x = 55,350.94

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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.