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Finding the Fourth Proportional to 160,847.57, 241,025.32 and 85,978.36

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Solution

The fourth proportional to 160,847.57, 241,025.32 and 85,978.36 is: 128,836.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,847.57 : 241,025.32 = 85,978.36 : x
  2. Step 2: Convert to fraction form
    160,847.57/241,025.32 = 85,978.36/x
  3. Step 3: Cross multiply
    160,847.57x = 241,025.32 × 85,978.36
  4. Step 4: Simplify right side
    160,847.57x = 20,722,962,140.83
  5. Step 5: Solve for x
    x = 20,722,962,140.83/160,847.57
  6. Step 6: Final answer
    x = 128,836.03

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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.