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Finding the Fourth Proportional to 202,256.87, 279,362.84 and 151,496.43

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Solution

The fourth proportional to 202,256.87, 279,362.84 and 151,496.43 is: 209,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,256.87 : 279,362.84 = 151,496.43 : x
  2. Step 2: Convert to fraction form
    202,256.87/279,362.84 = 151,496.43/x
  3. Step 3: Cross multiply
    202,256.87x = 279,362.84 × 151,496.43
  4. Step 4: Simplify right side
    202,256.87x = 42,322,472,177.18
  5. Step 5: Solve for x
    x = 42,322,472,177.18/202,256.87
  6. Step 6: Final answer
    x = 209,251.10

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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.