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Finding the Fourth Proportional to 264,502.87, 365,021.17 and 155,614.84

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Solution

The fourth proportional to 264,502.87, 365,021.17 and 155,614.84 is: 214,752.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,502.87 : 365,021.17 = 155,614.84 : x
  2. Step 2: Convert to fraction form
    264,502.87/365,021.17 = 155,614.84/x
  3. Step 3: Cross multiply
    264,502.87x = 365,021.17 × 155,614.84
  4. Step 4: Simplify right side
    264,502.87x = 56,802,709,664.57
  5. Step 5: Solve for x
    x = 56,802,709,664.57/264,502.87
  6. Step 6: Final answer
    x = 214,752.72

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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.