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Finding the Fourth Proportional to 65,063.53, 97,483.80 and 43,676.21

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Solution

The fourth proportional to 65,063.53, 97,483.80 and 43,676.21 is: 65,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,063.53 : 97,483.80 = 43,676.21 : x
  2. Step 2: Convert to fraction form
    65,063.53/97,483.80 = 43,676.21/x
  3. Step 3: Cross multiply
    65,063.53x = 97,483.80 × 43,676.21
  4. Step 4: Simplify right side
    65,063.53x = 4,257,723,327.89
  5. Step 5: Solve for x
    x = 4,257,723,327.89/65,063.53
  6. Step 6: Final answer
    x = 65,439.48

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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.