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Finding the Fourth Proportional to 160,089.85, 220,924.67 and 87,494.21

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Solution

The fourth proportional to 160,089.85, 220,924.67 and 87,494.21 is: 120,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,089.85 : 220,924.67 = 87,494.21 : x
  2. Step 2: Convert to fraction form
    160,089.85/220,924.67 = 87,494.21/x
  3. Step 3: Cross multiply
    160,089.85x = 220,924.67 × 87,494.21
  4. Step 4: Simplify right side
    160,089.85x = 19,329,628,757.53
  5. Step 5: Solve for x
    x = 19,329,628,757.53/160,089.85
  6. Step 6: Final answer
    x = 120,742.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.