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Finding the Fourth Proportional to 119,993.32, 179,994.90 and 41,161.76

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Solution

The fourth proportional to 119,993.32, 179,994.90 and 41,161.76 is: 61,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,993.32 : 179,994.90 = 41,161.76 : x
  2. Step 2: Convert to fraction form
    119,993.32/179,994.90 = 41,161.76/x
  3. Step 3: Cross multiply
    119,993.32x = 179,994.90 × 41,161.76
  4. Step 4: Simplify right side
    119,993.32x = 7,408,906,875.02
  5. Step 5: Solve for x
    x = 7,408,906,875.02/119,993.32
  6. Step 6: Final answer
    x = 61,744.33

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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.