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Finding the Fourth Proportional to 61,453.08, 92,179.08 and 19,900.08

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Solution

The fourth proportional to 61,453.08, 92,179.08 and 19,900.08 is: 29,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,453.08 : 92,179.08 = 19,900.08 : x
  2. Step 2: Convert to fraction form
    61,453.08/92,179.08 = 19,900.08/x
  3. Step 3: Cross multiply
    61,453.08x = 92,179.08 × 19,900.08
  4. Step 4: Simplify right side
    61,453.08x = 1,834,371,066.33
  5. Step 5: Solve for x
    x = 1,834,371,066.33/61,453.08
  6. Step 6: Final answer
    x = 29,849.95

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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.