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Finding the Fourth Proportional to 202,725.06, 279,739.17 and 112,066.44

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Solution

The fourth proportional to 202,725.06, 279,739.17 and 112,066.44 is: 154,639.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,725.06 : 279,739.17 = 112,066.44 : x
  2. Step 2: Convert to fraction form
    202,725.06/279,739.17 = 112,066.44/x
  3. Step 3: Cross multiply
    202,725.06x = 279,739.17 × 112,066.44
  4. Step 4: Simplify right side
    202,725.06x = 31,349,372,910.45
  5. Step 5: Solve for x
    x = 31,349,372,910.45/202,725.06
  6. Step 6: Final answer
    x = 154,639.85

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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.