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Finding the Fourth Proportional to 73,809.60, 101,848.10 and 41,540.28

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Solution

The fourth proportional to 73,809.60, 101,848.10 and 41,540.28 is: 57,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,809.60 : 101,848.10 = 41,540.28 : x
  2. Step 2: Convert to fraction form
    73,809.60/101,848.10 = 41,540.28/x
  3. Step 3: Cross multiply
    73,809.60x = 101,848.10 × 41,540.28
  4. Step 4: Simplify right side
    73,809.60x = 4,230,798,591.47
  5. Step 5: Solve for x
    x = 4,230,798,591.47/73,809.60
  6. Step 6: Final answer
    x = 57,320.44

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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.