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Finding the Fourth Proportional to 168,953.64, 253,486.76 and 56,644.96

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Solution

The fourth proportional to 168,953.64, 253,486.76 and 56,644.96 is: 84,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,953.64 : 253,486.76 = 56,644.96 : x
  2. Step 2: Convert to fraction form
    168,953.64/253,486.76 = 56,644.96/x
  3. Step 3: Cross multiply
    168,953.64x = 253,486.76 × 56,644.96
  4. Step 4: Simplify right side
    168,953.64x = 14,358,747,380.73
  5. Step 5: Solve for x
    x = 14,358,747,380.73/168,953.64
  6. Step 6: Final answer
    x = 84,986.32

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1.5x scale

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.