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Finding the Fourth Proportional to 184,043.40, 276,356.70 and 134,471.40

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Solution

The fourth proportional to 184,043.40, 276,356.70 and 134,471.40 is: 201,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,043.40 : 276,356.70 = 134,471.40 : x
  2. Step 2: Convert to fraction form
    184,043.40/276,356.70 = 134,471.40/x
  3. Step 3: Cross multiply
    184,043.40x = 276,356.70 × 134,471.40
  4. Step 4: Simplify right side
    184,043.40x = 37,162,072,348.38
  5. Step 5: Solve for x
    x = 37,162,072,348.38/184,043.40
  6. Step 6: Final answer
    x = 201,920.16

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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.