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Finding the Fourth Proportional to 168,853.32, 253,315.32 and 63,671.52

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Solution

The fourth proportional to 168,853.32, 253,315.32 and 63,671.52 is: 95,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,853.32 : 253,315.32 = 63,671.52 : x
  2. Step 2: Convert to fraction form
    168,853.32/253,315.32 = 63,671.52/x
  3. Step 3: Cross multiply
    168,853.32x = 253,315.32 × 63,671.52
  4. Step 4: Simplify right side
    168,853.32x = 16,128,971,463.69
  5. Step 5: Solve for x
    x = 16,128,971,463.69/168,853.32
  6. Step 6: Final answer
    x = 95,520.61

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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.