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Finding the Fourth Proportional to 73,956.12, 101,844.45 and 64,261.50

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Solution

The fourth proportional to 73,956.12, 101,844.45 and 64,261.50 is: 88,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,956.12 : 101,844.45 = 64,261.50 : x
  2. Step 2: Convert to fraction form
    73,956.12/101,844.45 = 64,261.50/x
  3. Step 3: Cross multiply
    73,956.12x = 101,844.45 × 64,261.50
  4. Step 4: Simplify right side
    73,956.12x = 6,544,677,123.68
  5. Step 5: Solve for x
    x = 6,544,677,123.68/73,956.12
  6. Step 6: Final answer
    x = 88,494.06

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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.