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Finding the Fourth Proportional to 209,018.76, 313,229.17 and 167,026.51

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Solution

The fourth proportional to 209,018.76, 313,229.17 and 167,026.51 is: 250,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,018.76 : 313,229.17 = 167,026.51 : x
  2. Step 2: Convert to fraction form
    209,018.76/313,229.17 = 167,026.51/x
  3. Step 3: Cross multiply
    209,018.76x = 313,229.17 × 167,026.51
  4. Step 4: Simplify right side
    209,018.76x = 52,317,575,095.30
  5. Step 5: Solve for x
    x = 52,317,575,095.30/209,018.76
  6. Step 6: Final answer
    x = 250,300.86

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1.5x scale

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.