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Finding the Fourth Proportional to 65,166.62, 97,748.21 and 20,796.08

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Solution

The fourth proportional to 65,166.62, 97,748.21 and 20,796.08 is: 31,193.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,166.62 : 97,748.21 = 20,796.08 : x
  2. Step 2: Convert to fraction form
    65,166.62/97,748.21 = 20,796.08/x
  3. Step 3: Cross multiply
    65,166.62x = 97,748.21 × 20,796.08
  4. Step 4: Simplify right side
    65,166.62x = 2,032,779,158.27
  5. Step 5: Solve for x
    x = 2,032,779,158.27/65,166.62
  6. Step 6: Final answer
    x = 31,193.57

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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.