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Finding the Fourth Proportional to 264,571.18, 365,097.72 and 143,710

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Solution

The fourth proportional to 264,571.18, 365,097.72 and 143,710 is: 198,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,571.18 : 365,097.72 = 143,710 : x
  2. Step 2: Convert to fraction form
    264,571.18/365,097.72 = 143,710/x
  3. Step 3: Cross multiply
    264,571.18x = 365,097.72 × 143,710
  4. Step 4: Simplify right side
    264,571.18x = 52,468,193,341.20
  5. Step 5: Solve for x
    x = 52,468,193,341.20/264,571.18
  6. Step 6: Final answer
    x = 198,314.09

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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.