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Finding the Fourth Proportional to 252,267.44, 378,402.52 and 65,278.94

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Solution

The fourth proportional to 252,267.44, 378,402.52 and 65,278.94 is: 97,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,267.44 : 378,402.52 = 65,278.94 : x
  2. Step 2: Convert to fraction form
    252,267.44/378,402.52 = 65,278.94/x
  3. Step 3: Cross multiply
    252,267.44x = 378,402.52 × 65,278.94
  4. Step 4: Simplify right side
    252,267.44x = 24,701,713,506.92
  5. Step 5: Solve for x
    x = 24,701,713,506.92/252,267.44
  6. Step 6: Final answer
    x = 97,918.76

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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.