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Finding the Fourth Proportional to 168,175.50, 232,084.01 and 91,693.97

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Solution

The fourth proportional to 168,175.50, 232,084.01 and 91,693.97 is: 126,538.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,175.50 : 232,084.01 = 91,693.97 : x
  2. Step 2: Convert to fraction form
    168,175.50/232,084.01 = 91,693.97/x
  3. Step 3: Cross multiply
    168,175.50x = 232,084.01 × 91,693.97
  4. Step 4: Simplify right side
    168,175.50x = 21,280,704,372.16
  5. Step 5: Solve for x
    x = 21,280,704,372.16/168,175.50
  6. Step 6: Final answer
    x = 126,538.67

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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.