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Finding the Fourth Proportional to 85,956.01, 118,617.41 and 47,713.32

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Solution

The fourth proportional to 85,956.01, 118,617.41 and 47,713.32 is: 65,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,956.01 : 118,617.41 = 47,713.32 : x
  2. Step 2: Convert to fraction form
    85,956.01/118,617.41 = 47,713.32/x
  3. Step 3: Cross multiply
    85,956.01x = 118,617.41 × 47,713.32
  4. Step 4: Simplify right side
    85,956.01x = 5,659,630,560.18
  5. Step 5: Solve for x
    x = 5,659,630,560.18/85,956.01
  6. Step 6: Final answer
    x = 65,843.34

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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.