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Finding the Fourth Proportional to 264,530.87, 365,055.23 and 143,673.31

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Solution

The fourth proportional to 264,530.87, 365,055.23 and 143,673.31 is: 198,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,530.87 : 365,055.23 = 143,673.31 : x
  2. Step 2: Convert to fraction form
    264,530.87/365,055.23 = 143,673.31/x
  3. Step 3: Cross multiply
    264,530.87x = 365,055.23 × 143,673.31
  4. Step 4: Simplify right side
    264,530.87x = 52,448,693,226.91
  5. Step 5: Solve for x
    x = 52,448,693,226.91/264,530.87
  6. Step 6: Final answer
    x = 198,270.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.