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Finding the Fourth Proportional to 168,778.34, 253,018.52 and 63,671.12

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Solution

The fourth proportional to 168,778.34, 253,018.52 and 63,671.12 is: 95,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,778.34 : 253,018.52 = 63,671.12 : x
  2. Step 2: Convert to fraction form
    168,778.34/253,018.52 = 63,671.12/x
  3. Step 3: Cross multiply
    168,778.34x = 253,018.52 × 63,671.12
  4. Step 4: Simplify right side
    168,778.34x = 16,109,972,549.14
  5. Step 5: Solve for x
    x = 16,109,972,549.14/168,778.34
  6. Step 6: Final answer
    x = 95,450.47

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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.