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Finding the Fourth Proportional to 270,399.80, 405,313.67 and 101,847.18

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Solution

The fourth proportional to 270,399.80, 405,313.67 and 101,847.18 is: 152,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,399.80 : 405,313.67 = 101,847.18 : x
  2. Step 2: Convert to fraction form
    270,399.80/405,313.67 = 101,847.18/x
  3. Step 3: Cross multiply
    270,399.80x = 405,313.67 × 101,847.18
  4. Step 4: Simplify right side
    270,399.80x = 41,280,053,795.71
  5. Step 5: Solve for x
    x = 41,280,053,795.71/270,399.80
  6. Step 6: Final answer
    x = 152,663.04

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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.