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Finding the Fourth Proportional to 168,611.68, 252,725.52 and 56,265.52

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Solution

The fourth proportional to 168,611.68, 252,725.52 and 56,265.52 is: 84,334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,611.68 : 252,725.52 = 56,265.52 : x
  2. Step 2: Convert to fraction form
    168,611.68/252,725.52 = 56,265.52/x
  3. Step 3: Cross multiply
    168,611.68x = 252,725.52 × 56,265.52
  4. Step 4: Simplify right side
    168,611.68x = 14,219,732,800.07
  5. Step 5: Solve for x
    x = 14,219,732,800.07/168,611.68
  6. Step 6: Final answer
    x = 84,334.21

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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.