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Finding the Fourth Proportional to 135,330.30, 202,980.87 and 35,500.50

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Solution

The fourth proportional to 135,330.30, 202,980.87 and 35,500.50 is: 53,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,330.30 : 202,980.87 = 35,500.50 : x
  2. Step 2: Convert to fraction form
    135,330.30/202,980.87 = 35,500.50/x
  3. Step 3: Cross multiply
    135,330.30x = 202,980.87 × 35,500.50
  4. Step 4: Simplify right side
    135,330.30x = 7,205,922,375.44
  5. Step 5: Solve for x
    x = 7,205,922,375.44/135,330.30
  6. Step 6: Final answer
    x = 53,246.93

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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.