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Finding the Fourth Proportional to 587,447.88, 881,156.34 and 166,723.80

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Solution

The fourth proportional to 587,447.88, 881,156.34 and 166,723.80 is: 250,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,447.88 : 881,156.34 = 166,723.80 : x
  2. Step 2: Convert to fraction form
    587,447.88/881,156.34 = 166,723.80/x
  3. Step 3: Cross multiply
    587,447.88x = 881,156.34 × 166,723.80
  4. Step 4: Simplify right side
    587,447.88x = 146,909,733,398.89
  5. Step 5: Solve for x
    x = 146,909,733,398.89/587,447.88
  6. Step 6: Final answer
    x = 250,081.31

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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.