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Finding the Fourth Proportional to 123,276, 184,926.75 and 39,047.63

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Solution

The fourth proportional to 123,276, 184,926.75 and 39,047.63 is: 58,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,276 : 184,926.75 = 39,047.63 : x
  2. Step 2: Convert to fraction form
    123,276/184,926.75 = 39,047.63/x
  3. Step 3: Cross multiply
    123,276x = 184,926.75 × 39,047.63
  4. Step 4: Simplify right side
    123,276x = 7,220,951,115.86
  5. Step 5: Solve for x
    x = 7,220,951,115.86/123,276
  6. Step 6: Final answer
    x = 58,575.48

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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.