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Finding the Fourth Proportional to 308,640.17, 463,003.29 and 95,425.49

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Solution

The fourth proportional to 308,640.17, 463,003.29 and 95,425.49 is: 143,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,640.17 : 463,003.29 = 95,425.49 : x
  2. Step 2: Convert to fraction form
    308,640.17/463,003.29 = 95,425.49/x
  3. Step 3: Cross multiply
    308,640.17x = 463,003.29 × 95,425.49
  4. Step 4: Simplify right side
    308,640.17x = 44,182,316,977.37
  5. Step 5: Solve for x
    x = 44,182,316,977.37/308,640.17
  6. Step 6: Final answer
    x = 143,151.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.