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Finding the Fourth Proportional to 73,452.34, 110,188.32 and 29,068.72

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Solution

The fourth proportional to 73,452.34, 110,188.32 and 29,068.72 is: 43,606.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,452.34 : 110,188.32 = 29,068.72 : x
  2. Step 2: Convert to fraction form
    73,452.34/110,188.32 = 29,068.72/x
  3. Step 3: Cross multiply
    73,452.34x = 110,188.32 × 29,068.72
  4. Step 4: Simplify right side
    73,452.34x = 3,203,033,421.35
  5. Step 5: Solve for x
    x = 3,203,033,421.35/73,452.34
  6. Step 6: Final answer
    x = 43,606.96

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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.