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Finding the Fourth Proportional to 123,168.74, 184,695.70 and 63,988.52

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Solution

The fourth proportional to 123,168.74, 184,695.70 and 63,988.52 is: 95,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,168.74 : 184,695.70 = 63,988.52 : x
  2. Step 2: Convert to fraction form
    123,168.74/184,695.70 = 63,988.52/x
  3. Step 3: Cross multiply
    123,168.74x = 184,695.70 × 63,988.52
  4. Step 4: Simplify right side
    123,168.74x = 11,818,404,493.36
  5. Step 5: Solve for x
    x = 11,818,404,493.36/123,168.74
  6. Step 6: Final answer
    x = 95,952.95

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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.