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Finding the Fourth Proportional to 73,607.64, 101,591.78 and 43,391.16

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Solution

The fourth proportional to 73,607.64, 101,591.78 and 43,391.16 is: 59,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,607.64 : 101,591.78 = 43,391.16 : x
  2. Step 2: Convert to fraction form
    73,607.64/101,591.78 = 43,391.16/x
  3. Step 3: Cross multiply
    73,607.64x = 101,591.78 × 43,391.16
  4. Step 4: Simplify right side
    73,607.64x = 4,408,185,180.66
  5. Step 5: Solve for x
    x = 4,408,185,180.66/73,607.64
  6. Step 6: Final answer
    x = 59,887.60

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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.