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Finding the Fourth Proportional to 117,376.80, 175,764.60 and 64,727.88

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Solution

The fourth proportional to 117,376.80, 175,764.60 and 64,727.88 is: 96,926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,376.80 : 175,764.60 = 64,727.88 : x
  2. Step 2: Convert to fraction form
    117,376.80/175,764.60 = 64,727.88/x
  3. Step 3: Cross multiply
    117,376.80x = 175,764.60 × 64,727.88
  4. Step 4: Simplify right side
    117,376.80x = 11,376,869,937.05
  5. Step 5: Solve for x
    x = 11,376,869,937.05/117,376.80
  6. Step 6: Final answer
    x = 96,926.05

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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.