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Finding the Fourth Proportional to 273,091.63, 376,712.09 and 170,939.76

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Solution

The fourth proportional to 273,091.63, 376,712.09 and 170,939.76 is: 235,800.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,091.63 : 376,712.09 = 170,939.76 : x
  2. Step 2: Convert to fraction form
    273,091.63/376,712.09 = 170,939.76/x
  3. Step 3: Cross multiply
    273,091.63x = 376,712.09 × 170,939.76
  4. Step 4: Simplify right side
    273,091.63x = 64,395,074,253.70
  5. Step 5: Solve for x
    x = 64,395,074,253.70/273,091.63
  6. Step 6: Final answer
    x = 235,800.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.