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Finding the Fourth Proportional to 65,166.99, 97,748.78 and 20,796.45

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Solution

The fourth proportional to 65,166.99, 97,748.78 and 20,796.45 is: 31,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,166.99 : 97,748.78 = 20,796.45 : x
  2. Step 2: Convert to fraction form
    65,166.99/97,748.78 = 20,796.45/x
  3. Step 3: Cross multiply
    65,166.99x = 97,748.78 × 20,796.45
  4. Step 4: Simplify right side
    65,166.99x = 2,032,827,511.85
  5. Step 5: Solve for x
    x = 2,032,827,511.85/65,166.99
  6. Step 6: Final answer
    x = 31,194.13

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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.