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Finding the Fourth Proportional to 160,073.96, 240,245.60 and 80,087.94

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Solution

The fourth proportional to 160,073.96, 240,245.60 and 80,087.94 is: 120,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,073.96 : 240,245.60 = 80,087.94 : x
  2. Step 2: Convert to fraction form
    160,073.96/240,245.60 = 80,087.94/x
  3. Step 3: Cross multiply
    160,073.96x = 240,245.60 × 80,087.94
  4. Step 4: Simplify right side
    160,073.96x = 19,240,774,797.62
  5. Step 5: Solve for x
    x = 19,240,774,797.62/160,073.96
  6. Step 6: Final answer
    x = 120,199.28

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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.