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Finding the Fourth Proportional to 73,059.92, 109,585.77 and 19,751.11

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Solution

The fourth proportional to 73,059.92, 109,585.77 and 19,751.11 is: 29,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,059.92 : 109,585.77 = 19,751.11 : x
  2. Step 2: Convert to fraction form
    73,059.92/109,585.77 = 19,751.11/x
  3. Step 3: Cross multiply
    73,059.92x = 109,585.77 × 19,751.11
  4. Step 4: Simplify right side
    73,059.92x = 2,164,440,597.70
  5. Step 5: Solve for x
    x = 2,164,440,597.70/73,059.92
  6. Step 6: Final answer
    x = 29,625.55

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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.