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Finding the Fourth Proportional to 313,207.67, 432,227.72 and 169,967.68

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Solution

The fourth proportional to 313,207.67, 432,227.72 and 169,967.68 is: 234,556.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,207.67 : 432,227.72 = 169,967.68 : x
  2. Step 2: Convert to fraction form
    313,207.67/432,227.72 = 169,967.68/x
  3. Step 3: Cross multiply
    313,207.67x = 432,227.72 × 169,967.68
  4. Step 4: Simplify right side
    313,207.67x = 73,464,742,800.09
  5. Step 5: Solve for x
    x = 73,464,742,800.09/313,207.67
  6. Step 6: Final answer
    x = 234,556.01

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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.