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Finding the Fourth Proportional to 184,135.20, 276,235.20 and 65,875.20

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Solution

The fourth proportional to 184,135.20, 276,235.20 and 65,875.20 is: 98,824.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,135.20 : 276,235.20 = 65,875.20 : x
  2. Step 2: Convert to fraction form
    184,135.20/276,235.20 = 65,875.20/x
  3. Step 3: Cross multiply
    184,135.20x = 276,235.20 × 65,875.20
  4. Step 4: Simplify right side
    184,135.20x = 18,197,049,047.04
  5. Step 5: Solve for x
    x = 18,197,049,047.04/184,135.20
  6. Step 6: Final answer
    x = 98,824.39

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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.