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Finding the Fourth Proportional to 207,533.70, 311,300.55 and 183,039.30

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Solution

The fourth proportional to 207,533.70, 311,300.55 and 183,039.30 is: 274,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,533.70 : 311,300.55 = 183,039.30 : x
  2. Step 2: Convert to fraction form
    207,533.70/311,300.55 = 183,039.30/x
  3. Step 3: Cross multiply
    207,533.70x = 311,300.55 × 183,039.30
  4. Step 4: Simplify right side
    207,533.70x = 56,980,234,761.62
  5. Step 5: Solve for x
    x = 56,980,234,761.62/207,533.70
  6. Step 6: Final answer
    x = 274,558.95

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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.