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Finding the Fourth Proportional to 264,792.49, 365,416.08 and 143,934.06

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Solution

The fourth proportional to 264,792.49, 365,416.08 and 143,934.06 is: 198,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,792.49 : 365,416.08 = 143,934.06 : x
  2. Step 2: Convert to fraction form
    264,792.49/365,416.08 = 143,934.06/x
  3. Step 3: Cross multiply
    264,792.49x = 365,416.08 × 143,934.06
  4. Step 4: Simplify right side
    264,792.49x = 52,595,819,983.68
  5. Step 5: Solve for x
    x = 52,595,819,983.68/264,792.49
  6. Step 6: Final answer
    x = 198,630.33

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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.