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Finding the Fourth Proportional to 73,392, 101,276.96 and 41,561.28

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Solution

The fourth proportional to 73,392, 101,276.96 and 41,561.28 is: 57,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,392 : 101,276.96 = 41,561.28 : x
  2. Step 2: Convert to fraction form
    73,392/101,276.96 = 41,561.28/x
  3. Step 3: Cross multiply
    73,392x = 101,276.96 × 41,561.28
  4. Step 4: Simplify right side
    73,392x = 4,209,200,092.11
  5. Step 5: Solve for x
    x = 4,209,200,092.11/73,392
  6. Step 6: Final answer
    x = 57,352.30

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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.