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Finding the Fourth Proportional to 140,893.68, 211,306.98 and 56,654.04

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Solution

The fourth proportional to 140,893.68, 211,306.98 and 56,654.04 is: 84,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,893.68 : 211,306.98 = 56,654.04 : x
  2. Step 2: Convert to fraction form
    140,893.68/211,306.98 = 56,654.04/x
  3. Step 3: Cross multiply
    140,893.68x = 211,306.98 × 56,654.04
  4. Step 4: Simplify right side
    140,893.68x = 11,971,394,097.20
  5. Step 5: Solve for x
    x = 11,971,394,097.20/140,893.68
  6. Step 6: Final answer
    x = 84,967.57

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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.