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Finding the Fourth Proportional to 161,161.67, 241,626.72 and 75,724.35

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Solution

The fourth proportional to 161,161.67, 241,626.72 and 75,724.35 is: 113,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,161.67 : 241,626.72 = 75,724.35 : x
  2. Step 2: Convert to fraction form
    161,161.67/241,626.72 = 75,724.35/x
  3. Step 3: Cross multiply
    161,161.67x = 241,626.72 × 75,724.35
  4. Step 4: Simplify right side
    161,161.67x = 18,297,026,314.63
  5. Step 5: Solve for x
    x = 18,297,026,314.63/161,161.67
  6. Step 6: Final answer
    x = 113,532.12

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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.