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Finding the Fourth Proportional to 61,664.99, 92,442.12 and 51,202.25

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Solution

The fourth proportional to 61,664.99, 92,442.12 and 51,202.25 is: 76,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,664.99 : 92,442.12 = 51,202.25 : x
  2. Step 2: Convert to fraction form
    61,664.99/92,442.12 = 51,202.25/x
  3. Step 3: Cross multiply
    61,664.99x = 92,442.12 × 51,202.25
  4. Step 4: Simplify right side
    61,664.99x = 4,733,244,538.77
  5. Step 5: Solve for x
    x = 4,733,244,538.77/61,664.99
  6. Step 6: Final answer
    x = 76,757.40

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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.