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Finding the Fourth Proportional to 72,336.66, 108,474.52 and 27,350.40

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Solution

The fourth proportional to 72,336.66, 108,474.52 and 27,350.40 is: 41,014.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,336.66 : 108,474.52 = 27,350.40 : x
  2. Step 2: Convert to fraction form
    72,336.66/108,474.52 = 27,350.40/x
  3. Step 3: Cross multiply
    72,336.66x = 108,474.52 × 27,350.40
  4. Step 4: Simplify right side
    72,336.66x = 2,966,821,511.81
  5. Step 5: Solve for x
    x = 2,966,821,511.81/72,336.66
  6. Step 6: Final answer
    x = 41,014.08

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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.