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Finding the Fourth Proportional to 264,619.60, 365,173.62 and 143,759.92

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Solution

The fourth proportional to 264,619.60, 365,173.62 and 143,759.92 is: 198,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,619.60 : 365,173.62 = 143,759.92 : x
  2. Step 2: Convert to fraction form
    264,619.60/365,173.62 = 143,759.92/x
  3. Step 3: Cross multiply
    264,619.60x = 365,173.62 × 143,759.92
  4. Step 4: Simplify right side
    264,619.60x = 52,497,330,397.31
  5. Step 5: Solve for x
    x = 52,497,330,397.31/264,619.60
  6. Step 6: Final answer
    x = 198,387.91

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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.