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Finding the Fourth Proportional to 150,063.03, 207,162.16 and 115,994.43

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Solution

The fourth proportional to 150,063.03, 207,162.16 and 115,994.43 is: 160,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,063.03 : 207,162.16 = 115,994.43 : x
  2. Step 2: Convert to fraction form
    150,063.03/207,162.16 = 115,994.43/x
  3. Step 3: Cross multiply
    150,063.03x = 207,162.16 × 115,994.43
  4. Step 4: Simplify right side
    150,063.03x = 24,029,656,376.78
  5. Step 5: Solve for x
    x = 24,029,656,376.78/150,063.03
  6. Step 6: Final answer
    x = 160,130.42

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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.