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Finding the Fourth Proportional to 252,709.90, 378,889.26 and 94,895.98

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Solution

The fourth proportional to 252,709.90, 378,889.26 and 94,895.98 is: 142,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,709.90 : 378,889.26 = 94,895.98 : x
  2. Step 2: Convert to fraction form
    252,709.90/378,889.26 = 94,895.98/x
  3. Step 3: Cross multiply
    252,709.90x = 378,889.26 × 94,895.98
  4. Step 4: Simplify right side
    252,709.90x = 35,955,067,639.17
  5. Step 5: Solve for x
    x = 35,955,067,639.17/252,709.90
  6. Step 6: Final answer
    x = 142,278.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.