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Finding the Fourth Proportional to 184,435.80, 276,912.90 and 145,037.40

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Solution

The fourth proportional to 184,435.80, 276,912.90 and 145,037.40 is: 217,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,435.80 : 276,912.90 = 145,037.40 : x
  2. Step 2: Convert to fraction form
    184,435.80/276,912.90 = 145,037.40/x
  3. Step 3: Cross multiply
    184,435.80x = 276,912.90 × 145,037.40
  4. Step 4: Simplify right side
    184,435.80x = 40,162,727,042.46
  5. Step 5: Solve for x
    x = 40,162,727,042.46/184,435.80
  6. Step 6: Final answer
    x = 217,759.93

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1.5x scale

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.