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Finding the Fourth Proportional to 73,838.83, 110,764.06 and 36,378.46

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Solution

The fourth proportional to 73,838.83, 110,764.06 and 36,378.46 is: 54,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,838.83 : 110,764.06 = 36,378.46 : x
  2. Step 2: Convert to fraction form
    73,838.83/110,764.06 = 36,378.46/x
  3. Step 3: Cross multiply
    73,838.83x = 110,764.06 × 36,378.46
  4. Step 4: Simplify right side
    73,838.83x = 4,029,425,926.15
  5. Step 5: Solve for x
    x = 4,029,425,926.15/73,838.83
  6. Step 6: Final answer
    x = 54,570.55

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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.