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Finding the Fourth Proportional to 168,482.52, 252,639.27 and 56,123.24

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Solution

The fourth proportional to 168,482.52, 252,639.27 and 56,123.24 is: 84,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,482.52 : 252,639.27 = 56,123.24 : x
  2. Step 2: Convert to fraction form
    168,482.52/252,639.27 = 56,123.24/x
  3. Step 3: Cross multiply
    168,482.52x = 252,639.27 × 56,123.24
  4. Step 4: Simplify right side
    168,482.52x = 14,178,933,120.44
  5. Step 5: Solve for x
    x = 14,178,933,120.44/168,482.52
  6. Step 6: Final answer
    x = 84,156.70

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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.