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Finding the Fourth Proportional to 272,958.96, 409,476.71 and 95,425.59

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Solution

The fourth proportional to 272,958.96, 409,476.71 and 95,425.59 is: 143,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,958.96 : 409,476.71 = 95,425.59 : x
  2. Step 2: Convert to fraction form
    272,958.96/409,476.71 = 95,425.59/x
  3. Step 3: Cross multiply
    272,958.96x = 409,476.71 × 95,425.59
  4. Step 4: Simplify right side
    272,958.96x = 39,074,556,643.01
  5. Step 5: Solve for x
    x = 39,074,556,643.01/272,958.96
  6. Step 6: Final answer
    x = 143,151.76

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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.