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Finding the Fourth Proportional to 119,704.84, 165,190.62 and 65,994.84

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Solution

The fourth proportional to 119,704.84, 165,190.62 and 65,994.84 is: 91,071.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,704.84 : 165,190.62 = 65,994.84 : x
  2. Step 2: Convert to fraction form
    119,704.84/165,190.62 = 65,994.84/x
  3. Step 3: Cross multiply
    119,704.84x = 165,190.62 × 65,994.84
  4. Step 4: Simplify right side
    119,704.84x = 10,901,728,536.40
  5. Step 5: Solve for x
    x = 10,901,728,536.40/119,704.84
  6. Step 6: Final answer
    x = 91,071.74

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1.5x scale

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.