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Finding the Fourth Proportional to 159,503.88, 239,290.86 and 47,175.34

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Solution

The fourth proportional to 159,503.88, 239,290.86 and 47,175.34 is: 70,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,503.88 : 239,290.86 = 47,175.34 : x
  2. Step 2: Convert to fraction form
    159,503.88/239,290.86 = 47,175.34/x
  3. Step 3: Cross multiply
    159,503.88x = 239,290.86 × 47,175.34
  4. Step 4: Simplify right side
    159,503.88x = 11,288,627,679.39
  5. Step 5: Solve for x
    x = 11,288,627,679.39/159,503.88
  6. Step 6: Final answer
    x = 70,773.37

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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.