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Finding the Fourth Proportional to 73,870.50, 110,867.74 and 38,353.62

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Solution

The fourth proportional to 73,870.50, 110,867.74 and 38,353.62 is: 57,562.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,870.50 : 110,867.74 = 38,353.62 : x
  2. Step 2: Convert to fraction form
    73,870.50/110,867.74 = 38,353.62/x
  3. Step 3: Cross multiply
    73,870.50x = 110,867.74 × 38,353.62
  4. Step 4: Simplify right side
    73,870.50x = 4,252,179,170.22
  5. Step 5: Solve for x
    x = 4,252,179,170.22/73,870.50
  6. Step 6: Final answer
    x = 57,562.62

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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.