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Finding the Fourth Proportional to 184,011.28, 276,043.20 and 65,657.68

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Solution

The fourth proportional to 184,011.28, 276,043.20 and 65,657.68 is: 98,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,011.28 : 276,043.20 = 65,657.68 : x
  2. Step 2: Convert to fraction form
    184,011.28/276,043.20 = 65,657.68/x
  3. Step 3: Cross multiply
    184,011.28x = 276,043.20 × 65,657.68
  4. Step 4: Simplify right side
    184,011.28x = 18,124,356,091.78
  5. Step 5: Solve for x
    x = 18,124,356,091.78/184,011.28
  6. Step 6: Final answer
    x = 98,495.90

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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.