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Finding the Fourth Proportional to 73,375.80, 110,063.70 and 38,307.30

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Solution

The fourth proportional to 73,375.80, 110,063.70 and 38,307.30 is: 57,460.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,375.80 : 110,063.70 = 38,307.30 : x
  2. Step 2: Convert to fraction form
    73,375.80/110,063.70 = 38,307.30/x
  3. Step 3: Cross multiply
    73,375.80x = 110,063.70 × 38,307.30
  4. Step 4: Simplify right side
    73,375.80x = 4,216,243,175.01
  5. Step 5: Solve for x
    x = 4,216,243,175.01/73,375.80
  6. Step 6: Final answer
    x = 57,460.95

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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.