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Finding the Fourth Proportional to 61,579.80, 92,383.20 and 24,139.80

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Solution

The fourth proportional to 61,579.80, 92,383.20 and 24,139.80 is: 36,214.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,579.80 : 92,383.20 = 24,139.80 : x
  2. Step 2: Convert to fraction form
    61,579.80/92,383.20 = 24,139.80/x
  3. Step 3: Cross multiply
    61,579.80x = 92,383.20 × 24,139.80
  4. Step 4: Simplify right side
    61,579.80x = 2,230,111,971.36
  5. Step 5: Solve for x
    x = 2,230,111,971.36/61,579.80
  6. Step 6: Final answer
    x = 36,214.99

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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.