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Finding the Fourth Proportional to 502,164.36, 753,247.76 and 123,086.79

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Solution

The fourth proportional to 502,164.36, 753,247.76 and 123,086.79 is: 184,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,164.36 : 753,247.76 = 123,086.79 : x
  2. Step 2: Convert to fraction form
    502,164.36/753,247.76 = 123,086.79/x
  3. Step 3: Cross multiply
    502,164.36x = 753,247.76 × 123,086.79
  4. Step 4: Simplify right side
    502,164.36x = 92,714,848,237.66
  5. Step 5: Solve for x
    x = 92,714,848,237.66/502,164.36
  6. Step 6: Final answer
    x = 184,630.48

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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.