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Finding the Fourth Proportional to 160,525.80, 240,788.70 and 81,793.80

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Solution

The fourth proportional to 160,525.80, 240,788.70 and 81,793.80 is: 122,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,525.80 : 240,788.70 = 81,793.80 : x
  2. Step 2: Convert to fraction form
    160,525.80/240,788.70 = 81,793.80/x
  3. Step 3: Cross multiply
    160,525.80x = 240,788.70 × 81,793.80
  4. Step 4: Simplify right side
    160,525.80x = 19,695,022,770.06
  5. Step 5: Solve for x
    x = 19,695,022,770.06/160,525.80
  6. Step 6: Final answer
    x = 122,690.70

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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.