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Finding the Fourth Proportional to 110,562, 165,868.92 and 36,690

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Solution

The fourth proportional to 110,562, 165,868.92 and 36,690 is: 55,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,562 : 165,868.92 = 36,690 : x
  2. Step 2: Convert to fraction form
    110,562/165,868.92 = 36,690/x
  3. Step 3: Cross multiply
    110,562x = 165,868.92 × 36,690
  4. Step 4: Simplify right side
    110,562x = 6,085,730,674.80
  5. Step 5: Solve for x
    x = 6,085,730,674.80/110,562
  6. Step 6: Final answer
    x = 55,043.60

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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.