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Finding the Fourth Proportional to 73,572.20, 110,271.90 and 34,045.82

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Solution

The fourth proportional to 73,572.20, 110,271.90 and 34,045.82 is: 51,028.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,572.20 : 110,271.90 = 34,045.82 : x
  2. Step 2: Convert to fraction form
    73,572.20/110,271.90 = 34,045.82/x
  3. Step 3: Cross multiply
    73,572.20x = 110,271.90 × 34,045.82
  4. Step 4: Simplify right side
    73,572.20x = 3,754,297,258.46
  5. Step 5: Solve for x
    x = 3,754,297,258.46/73,572.20
  6. Step 6: Final answer
    x = 51,028.75

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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.