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Finding the Fourth Proportional to 159,104.80, 238,656.12 and 53,997.76

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Solution

The fourth proportional to 159,104.80, 238,656.12 and 53,997.76 is: 80,996.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,104.80 : 238,656.12 = 53,997.76 : x
  2. Step 2: Convert to fraction form
    159,104.80/238,656.12 = 53,997.76/x
  3. Step 3: Cross multiply
    159,104.80x = 238,656.12 × 53,997.76
  4. Step 4: Simplify right side
    159,104.80x = 12,886,895,890.29
  5. Step 5: Solve for x
    x = 12,886,895,890.29/159,104.80
  6. Step 6: Final answer
    x = 80,996.27

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1.5x scale

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.