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Finding the Fourth Proportional to 123,322.32, 184,997.70 and 43,335.72

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Solution

The fourth proportional to 123,322.32, 184,997.70 and 43,335.72 is: 65,008.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,322.32 : 184,997.70 = 43,335.72 : x
  2. Step 2: Convert to fraction form
    123,322.32/184,997.70 = 43,335.72/x
  3. Step 3: Cross multiply
    123,322.32x = 184,997.70 × 43,335.72
  4. Step 4: Simplify right side
    123,322.32x = 8,017,008,527.84
  5. Step 5: Solve for x
    x = 8,017,008,527.84/123,322.32
  6. Step 6: Final answer
    x = 65,008.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.