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Finding the Fourth Proportional to 159,385.48, 239,022.44 and 47,035.88

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Solution

The fourth proportional to 159,385.48, 239,022.44 and 47,035.88 is: 70,537.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,385.48 : 239,022.44 = 47,035.88 : x
  2. Step 2: Convert to fraction form
    159,385.48/239,022.44 = 47,035.88/x
  3. Step 3: Cross multiply
    159,385.48x = 239,022.44 × 47,035.88
  4. Step 4: Simplify right side
    159,385.48x = 11,242,630,805.15
  5. Step 5: Solve for x
    x = 11,242,630,805.15/159,385.48
  6. Step 6: Final answer
    x = 70,537.36

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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.