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Finding the Fourth Proportional to 184,145.64, 276,230.13 and 57,790.86

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Solution

The fourth proportional to 184,145.64, 276,230.13 and 57,790.86 is: 86,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,145.64 : 276,230.13 = 57,790.86 : x
  2. Step 2: Convert to fraction form
    184,145.64/276,230.13 = 57,790.86/x
  3. Step 3: Cross multiply
    184,145.64x = 276,230.13 × 57,790.86
  4. Step 4: Simplify right side
    184,145.64x = 15,963,576,770.61
  5. Step 5: Solve for x
    x = 15,963,576,770.61/184,145.64
  6. Step 6: Final answer
    x = 86,689.95

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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.