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Finding the Fourth Proportional to 120,059.98, 180,100.20 and 35,814.70

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Solution

The fourth proportional to 120,059.98, 180,100.20 and 35,814.70 is: 53,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,059.98 : 180,100.20 = 35,814.70 : x
  2. Step 2: Convert to fraction form
    120,059.98/180,100.20 = 35,814.70/x
  3. Step 3: Cross multiply
    120,059.98x = 180,100.20 × 35,814.70
  4. Step 4: Simplify right side
    120,059.98x = 6,450,234,632.94
  5. Step 5: Solve for x
    x = 6,450,234,632.94/120,059.98
  6. Step 6: Final answer
    x = 53,725.10

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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.