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Finding the Fourth Proportional to 123,154.35, 184,786.87 and 63,957.72

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Solution

The fourth proportional to 123,154.35, 184,786.87 and 63,957.72 is: 95,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,154.35 : 184,786.87 = 63,957.72 : x
  2. Step 2: Convert to fraction form
    123,154.35/184,786.87 = 63,957.72/x
  3. Step 3: Cross multiply
    123,154.35x = 184,786.87 × 63,957.72
  4. Step 4: Simplify right side
    123,154.35x = 11,818,546,891.14
  5. Step 5: Solve for x
    x = 11,818,546,891.14/123,154.35
  6. Step 6: Final answer
    x = 95,965.32

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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.