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Finding the Fourth Proportional to 168,409.98, 252,562.41 and 56,063.88

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Solution

The fourth proportional to 168,409.98, 252,562.41 and 56,063.88 is: 84,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,409.98 : 252,562.41 = 56,063.88 : x
  2. Step 2: Convert to fraction form
    168,409.98/252,562.41 = 56,063.88/x
  3. Step 3: Cross multiply
    168,409.98x = 252,562.41 × 56,063.88
  4. Step 4: Simplify right side
    168,409.98x = 14,159,628,646.75
  5. Step 5: Solve for x
    x = 14,159,628,646.75/168,409.98
  6. Step 6: Final answer
    x = 84,078.32

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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.