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Finding the Fourth Proportional to 160,961.60, 241,441.20 and 48,641.60

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Solution

The fourth proportional to 160,961.60, 241,441.20 and 48,641.60 is: 72,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,961.60 : 241,441.20 = 48,641.60 : x
  2. Step 2: Convert to fraction form
    160,961.60/241,441.20 = 48,641.60/x
  3. Step 3: Cross multiply
    160,961.60x = 241,441.20 × 48,641.60
  4. Step 4: Simplify right side
    160,961.60x = 11,744,086,273.92
  5. Step 5: Solve for x
    x = 11,744,086,273.92/160,961.60
  6. Step 6: Final answer
    x = 72,962.04

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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.