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Finding the Fourth Proportional to 159,774.72, 239,662.16 and 54,594.72

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Solution

The fourth proportional to 159,774.72, 239,662.16 and 54,594.72 is: 81,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,774.72 : 239,662.16 = 54,594.72 : x
  2. Step 2: Convert to fraction form
    159,774.72/239,662.16 = 54,594.72/x
  3. Step 3: Cross multiply
    159,774.72x = 239,662.16 × 54,594.72
  4. Step 4: Simplify right side
    159,774.72x = 13,084,288,519.80
  5. Step 5: Solve for x
    x = 13,084,288,519.80/159,774.72
  6. Step 6: Final answer
    x = 81,892.11

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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.