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Finding the Fourth Proportional to 308,656.12, 463,028.56 and 95,440.68

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Solution

The fourth proportional to 308,656.12, 463,028.56 and 95,440.68 is: 143,174.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,656.12 : 463,028.56 = 95,440.68 : x
  2. Step 2: Convert to fraction form
    308,656.12/463,028.56 = 95,440.68/x
  3. Step 3: Cross multiply
    308,656.12x = 463,028.56 × 95,440.68
  4. Step 4: Simplify right side
    308,656.12x = 44,191,760,625.82
  5. Step 5: Solve for x
    x = 44,191,760,625.82/308,656.12
  6. Step 6: Final answer
    x = 143,174.74

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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.