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Finding the Fourth Proportional to 202,868.51, 279,953.48 and 112,229.51

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Solution

The fourth proportional to 202,868.51, 279,953.48 and 112,229.51 is: 154,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,868.51 : 279,953.48 = 112,229.51 : x
  2. Step 2: Convert to fraction form
    202,868.51/279,953.48 = 112,229.51/x
  3. Step 3: Cross multiply
    202,868.51x = 279,953.48 × 112,229.51
  4. Step 4: Simplify right side
    202,868.51x = 31,419,039,922.28
  5. Step 5: Solve for x
    x = 31,419,039,922.28/202,868.51
  6. Step 6: Final answer
    x = 154,873.92

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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.