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Finding the Fourth Proportional to 231,257.66, 346,812.66 and 73,449.20

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Solution

The fourth proportional to 231,257.66, 346,812.66 and 73,449.20 is: 110,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,257.66 : 346,812.66 = 73,449.20 : x
  2. Step 2: Convert to fraction form
    231,257.66/346,812.66 = 73,449.20/x
  3. Step 3: Cross multiply
    231,257.66x = 346,812.66 × 73,449.20
  4. Step 4: Simplify right side
    231,257.66x = 25,473,110,692.81
  5. Step 5: Solve for x
    x = 25,473,110,692.81/231,257.66
  6. Step 6: Final answer
    x = 110,150.35

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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.