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Finding the Fourth Proportional to 130,099.76, 195,162.62 and 35,331.48

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Solution

The fourth proportional to 130,099.76, 195,162.62 and 35,331.48 is: 53,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,099.76 : 195,162.62 = 35,331.48 : x
  2. Step 2: Convert to fraction form
    130,099.76/195,162.62 = 35,331.48/x
  3. Step 3: Cross multiply
    130,099.76x = 195,162.62 × 35,331.48
  4. Step 4: Simplify right side
    130,099.76x = 6,895,384,205.28
  5. Step 5: Solve for x
    x = 6,895,384,205.28/130,099.76
  6. Step 6: Final answer
    x = 53,000.75

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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.