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Finding the Fourth Proportional to 73,550.64, 101,520.72 and 43,353.48

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Solution

The fourth proportional to 73,550.64, 101,520.72 and 43,353.48 is: 59,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,550.64 : 101,520.72 = 43,353.48 : x
  2. Step 2: Convert to fraction form
    73,550.64/101,520.72 = 43,353.48/x
  3. Step 3: Cross multiply
    73,550.64x = 101,520.72 × 43,353.48
  4. Step 4: Simplify right side
    73,550.64x = 4,401,276,504.11
  5. Step 5: Solve for x
    x = 4,401,276,504.11/73,550.64
  6. Step 6: Final answer
    x = 59,840.08

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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.