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Finding the Fourth Proportional to 239,363.15, 359,005.82 and 113,003.15

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Solution

The fourth proportional to 239,363.15, 359,005.82 and 113,003.15 is: 169,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,363.15 : 359,005.82 = 113,003.15 : x
  2. Step 2: Convert to fraction form
    239,363.15/359,005.82 = 113,003.15/x
  3. Step 3: Cross multiply
    239,363.15x = 359,005.82 × 113,003.15
  4. Step 4: Simplify right side
    239,363.15x = 40,568,786,168.29
  5. Step 5: Solve for x
    x = 40,568,786,168.29/239,363.15
  6. Step 6: Final answer
    x = 169,486.35

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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.