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Finding the Fourth Proportional to 184,428.40, 276,577.80 and 84,636.40

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Solution

The fourth proportional to 184,428.40, 276,577.80 and 84,636.40 is: 126,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,428.40 : 276,577.80 = 84,636.40 : x
  2. Step 2: Convert to fraction form
    184,428.40/276,577.80 = 84,636.40/x
  3. Step 3: Cross multiply
    184,428.40x = 276,577.80 × 84,636.40
  4. Step 4: Simplify right side
    184,428.40x = 23,408,549,311.92
  5. Step 5: Solve for x
    x = 23,408,549,311.92/184,428.40
  6. Step 6: Final answer
    x = 126,924.86

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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.