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Finding the Fourth Proportional to 159,002.60, 238,512.06 and 40,674.96

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Solution

The fourth proportional to 159,002.60, 238,512.06 and 40,674.96 is: 61,014.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,002.60 : 238,512.06 = 40,674.96 : x
  2. Step 2: Convert to fraction form
    159,002.60/238,512.06 = 40,674.96/x
  3. Step 3: Cross multiply
    159,002.60x = 238,512.06 × 40,674.96
  4. Step 4: Simplify right side
    159,002.60x = 9,701,468,500.02
  5. Step 5: Solve for x
    x = 9,701,468,500.02/159,002.60
  6. Step 6: Final answer
    x = 61,014.53

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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.