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Finding the Fourth Proportional to 156,052.60, 233,682.90 and 85,852.60

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Solution

The fourth proportional to 156,052.60, 233,682.90 and 85,852.60 is: 128,561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,052.60 : 233,682.90 = 85,852.60 : x
  2. Step 2: Convert to fraction form
    156,052.60/233,682.90 = 85,852.60/x
  3. Step 3: Cross multiply
    156,052.60x = 233,682.90 × 85,852.60
  4. Step 4: Simplify right side
    156,052.60x = 20,062,284,540.54
  5. Step 5: Solve for x
    x = 20,062,284,540.54/156,052.60
  6. Step 6: Final answer
    x = 128,561.04

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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.