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Finding the Fourth Proportional to 154,489.75, 231,736.02 and 60,995.50

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Solution

The fourth proportional to 154,489.75, 231,736.02 and 60,995.50 is: 91,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,489.75 : 231,736.02 = 60,995.50 : x
  2. Step 2: Convert to fraction form
    154,489.75/231,736.02 = 60,995.50/x
  3. Step 3: Cross multiply
    154,489.75x = 231,736.02 × 60,995.50
  4. Step 4: Simplify right side
    154,489.75x = 14,134,854,407.91
  5. Step 5: Solve for x
    x = 14,134,854,407.91/154,489.75
  6. Step 6: Final answer
    x = 91,493.80

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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.