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Finding the Fourth Proportional to 73,539.66, 101,469.06 and 43,313.88

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Solution

The fourth proportional to 73,539.66, 101,469.06 and 43,313.88 is: 59,763.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,539.66 : 101,469.06 = 43,313.88 : x
  2. Step 2: Convert to fraction form
    73,539.66/101,469.06 = 43,313.88/x
  3. Step 3: Cross multiply
    73,539.66x = 101,469.06 × 43,313.88
  4. Step 4: Simplify right side
    73,539.66x = 4,395,018,688.55
  5. Step 5: Solve for x
    x = 4,395,018,688.55/73,539.66
  6. Step 6: Final answer
    x = 59,763.92

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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.