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Finding the Fourth Proportional to 184,697.64, 276,935.49 and 72,243.72

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Solution

The fourth proportional to 184,697.64, 276,935.49 and 72,243.72 is: 108,322.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,697.64 : 276,935.49 = 72,243.72 : x
  2. Step 2: Convert to fraction form
    184,697.64/276,935.49 = 72,243.72/x
  3. Step 3: Cross multiply
    184,697.64x = 276,935.49 × 72,243.72
  4. Step 4: Simplify right side
    184,697.64x = 20,006,849,997.62
  5. Step 5: Solve for x
    x = 20,006,849,997.62/184,697.64
  6. Step 6: Final answer
    x = 108,322.17

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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.