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Finding the Fourth Proportional to 61,665.99, 92,443.62 and 51,203.25

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Solution

The fourth proportional to 61,665.99, 92,443.62 and 51,203.25 is: 76,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,665.99 : 92,443.62 = 51,203.25 : x
  2. Step 2: Convert to fraction form
    61,665.99/92,443.62 = 51,203.25/x
  3. Step 3: Cross multiply
    61,665.99x = 92,443.62 × 51,203.25
  4. Step 4: Simplify right side
    61,665.99x = 4,733,413,785.77
  5. Step 5: Solve for x
    x = 4,733,413,785.77/61,665.99
  6. Step 6: Final answer
    x = 76,758.90

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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.