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Finding the Fourth Proportional to 184,429.40, 276,579.30 and 84,637.40

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Solution

The fourth proportional to 184,429.40, 276,579.30 and 84,637.40 is: 126,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,429.40 : 276,579.30 = 84,637.40 : x
  2. Step 2: Convert to fraction form
    184,429.40/276,579.30 = 84,637.40/x
  3. Step 3: Cross multiply
    184,429.40x = 276,579.30 × 84,637.40
  4. Step 4: Simplify right side
    184,429.40x = 23,408,952,845.82
  5. Step 5: Solve for x
    x = 23,408,952,845.82/184,429.40
  6. Step 6: Final answer
    x = 126,926.36

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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.