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Finding the Fourth Proportional to 184,912.80, 276,931.80 and 125,426.40

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Solution

The fourth proportional to 184,912.80, 276,931.80 and 125,426.40 is: 187,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,912.80 : 276,931.80 = 125,426.40 : x
  2. Step 2: Convert to fraction form
    184,912.80/276,931.80 = 125,426.40/x
  3. Step 3: Cross multiply
    184,912.80x = 276,931.80 × 125,426.40
  4. Step 4: Simplify right side
    184,912.80x = 34,734,558,719.52
  5. Step 5: Solve for x
    x = 34,734,558,719.52/184,912.80
  6. Step 6: Final answer
    x = 187,842.91

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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.