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Finding the Fourth Proportional to 121,232.58, 167,294.61 and 67,516.62

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Solution

The fourth proportional to 121,232.58, 167,294.61 and 67,516.62 is: 93,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,232.58 : 167,294.61 = 67,516.62 : x
  2. Step 2: Convert to fraction form
    121,232.58/167,294.61 = 67,516.62/x
  3. Step 3: Cross multiply
    121,232.58x = 167,294.61 × 67,516.62
  4. Step 4: Simplify right side
    121,232.58x = 11,295,166,611.42
  5. Step 5: Solve for x
    x = 11,295,166,611.42/121,232.58
  6. Step 6: Final answer
    x = 93,169.40

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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.