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Finding the Fourth Proportional to 202,257.87, 279,364.22 and 151,497.43

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Solution

The fourth proportional to 202,257.87, 279,364.22 and 151,497.43 is: 209,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,257.87 : 279,364.22 = 151,497.43 : x
  2. Step 2: Convert to fraction form
    202,257.87/279,364.22 = 151,497.43/x
  3. Step 3: Cross multiply
    202,257.87x = 279,364.22 × 151,497.43
  4. Step 4: Simplify right side
    202,257.87x = 42,322,961,363.95
  5. Step 5: Solve for x
    x = 42,322,961,363.95/202,257.87
  6. Step 6: Final answer
    x = 209,252.48

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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.