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Finding the Fourth Proportional to 160,961.60, 241,672.80 and 90,977.60

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Solution

The fourth proportional to 160,961.60, 241,672.80 and 90,977.60 is: 136,596.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,961.60 : 241,672.80 = 90,977.60 : x
  2. Step 2: Convert to fraction form
    160,961.60/241,672.80 = 90,977.60/x
  3. Step 3: Cross multiply
    160,961.60x = 241,672.80 × 90,977.60
  4. Step 4: Simplify right side
    160,961.60x = 21,986,811,329.28
  5. Step 5: Solve for x
    x = 21,986,811,329.28/160,961.60
  6. Step 6: Final answer
    x = 136,596.63

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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.