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Finding the Fourth Proportional to 61,179.84, 91,752.12 and 16,808.04

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Solution

The fourth proportional to 61,179.84, 91,752.12 and 16,808.04 is: 25,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,179.84 : 91,752.12 = 16,808.04 : x
  2. Step 2: Convert to fraction form
    61,179.84/91,752.12 = 16,808.04/x
  3. Step 3: Cross multiply
    61,179.84x = 91,752.12 × 16,808.04
  4. Step 4: Simplify right side
    61,179.84x = 1,542,173,303.04
  5. Step 5: Solve for x
    x = 1,542,173,303.04/61,179.84
  6. Step 6: Final answer
    x = 25,207.21

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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.